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<ul id="toc-Lights-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Flags" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Flags"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Flags</span> </div> </a> <ul id="toc-Flags-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Sunlight" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Sunlight"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Sunlight</span> </div> </a> <ul id="toc-Sunlight-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Moving_arms" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Moving_arms"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Moving arms</span> </div> </a> <button aria-controls="toc-Moving_arms-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle Moving arms subsection</span> </button> <ul id="toc-Moving_arms-sublist" class="vector-toc-list"> <li id="toc-Optical_telegraph" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Optical_telegraph"> <div class="vector-toc-text"> <span class="vector-toc-numb">5.1</span> <span>Optical telegraph</span> </div> </a> <ul id="toc-Optical_telegraph-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Railway_signal" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Railway_signal"> <div class="vector-toc-text"> <span class="vector-toc-numb">5.2</span> <span>Railway signal</span> </div> </a> <ul id="toc-Railway_signal-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Hydraulic" class="vector-toc-list-item vector-toc-level-1 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class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">From Wikipedia, the free encyclopedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Mechanical apparatus used to send messages</div> <style data-mw-deduplicate="TemplateStyles:r1236090951">.mw-parser-output .hatnote{font-style:italic}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable">For other uses, see <a href="/wiki/Semaphore_(disambiguation)" class="mw-disambig" title="Semaphore (disambiguation)">Semaphore (disambiguation)</a>.</div> <p class="mw-empty-elt"> </p> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:Coast_telegraph,_semaphore_or_signaling_post_at_Scheveningen,_1799.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/2/21/Coast_telegraph%2C_semaphore_or_signaling_post_at_Scheveningen%2C_1799.jpg/220px-Coast_telegraph%2C_semaphore_or_signaling_post_at_Scheveningen%2C_1799.jpg" decoding="async" width="220" height="297" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/21/Coast_telegraph%2C_semaphore_or_signaling_post_at_Scheveningen%2C_1799.jpg/330px-Coast_telegraph%2C_semaphore_or_signaling_post_at_Scheveningen%2C_1799.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/21/Coast_telegraph%2C_semaphore_or_signaling_post_at_Scheveningen%2C_1799.jpg/440px-Coast_telegraph%2C_semaphore_or_signaling_post_at_Scheveningen%2C_1799.jpg 2x" data-file-width="3390" data-file-height="4580" /></a><figcaption>Coastal semaphore using moving arms at <a href="/wiki/Scheveningen" title="Scheveningen">Scheveningen</a>, circa 1799</figcaption></figure> <p><b>Semaphore</b> (<abbr style="font-size:85%" title="literal translation">lit.</abbr><span style="white-space: nowrap;"> </span><span class="gloss-quot">'</span><span class="gloss-text">apparatus for signalling</span><span class="gloss-quot">'</span>; from <a href="/wiki/Ancient_Greek_language" class="mw-redirect" title="Ancient Greek language">Ancient Greek</a> <i> </i><span lang="grc"><a href="https://en.wiktionary.org/wiki/%CF%83%E1%BF%86%CE%BC%CE%B1#Ancient_Greek" class="extiw" title="wikt:σῆμα">σῆμα</a></span><i> (<span title="Ancient Greek transliteration" lang="grc-Latn"><i>sêma</i></span>)</i> 'mark, sign, token' and <a href="/wiki/Greek_language" title="Greek language">Greek</a> <i> </i><span lang="el"><a href="https://en.wiktionary.org/wiki/-%CF%86%CF%8C%CF%81%CE%BF%CF%82#Greek" class="extiw" title="wikt:-φόρος">-φόρος</a></span><i> (<span title="Ancient Greek transliteration" lang="grc-Latn"><i>-phóros</i></span>)</i> 'bearer, carrier')<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> is the use of an apparatus to create a visual <a href="/wiki/Signal" title="Signal">signal</a> transmitted over distance.<sup id="cite_ref-EB_2-0" class="reference"><a href="#cite_note-EB-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-FM_3-0" class="reference"><a href="#cite_note-FM-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> A semaphore can be performed with devices including: fire, lights, <a href="/wiki/Flag" title="Flag">flags</a>, <a href="/wiki/Sunlight" title="Sunlight">sunlight</a>, and moving arms.<sup id="cite_ref-EB_2-1" class="reference"><a href="#cite_note-EB-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-FM_3-1" class="reference"><a href="#cite_note-FM-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> Semaphores can be used for <a href="/wiki/Telegraphy" title="Telegraphy">telegraphy</a> when arranged in <a href="/wiki/Optical_telegraph" title="Optical telegraph">visually connected networks</a>, or for traffic signalling such as in <a href="/wiki/Railway_semaphore_signal" title="Railway semaphore signal">railway systems</a>, or <a href="/wiki/Traffic_light" title="Traffic light">traffic lights</a> in cities.<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Fire">Fire</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Semaphore&action=edit&section=1" title="Edit section: Fire"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The <a href="/wiki/Phryctoriae" class="mw-redirect" title="Phryctoriae">Phryctoriae</a> were a semaphore system used in <a href="/wiki/Ancient_Greece" title="Ancient Greece">Ancient Greece</a> for the transmission of specific prearranged messages. Towers were built on selected mountaintops, so that one tower, the <i>phryctoria</i>, would be visible to the next tower, usually 30 km (20 mi) distant. Flames were lit on one tower, then the next tower would light a flame in succession. </p><p>The <a href="/wiki/Byzantine_beacon_system" title="Byzantine beacon system">Byzantine beacon system</a> was a semaphore developed in the 9th century during the <a href="/wiki/Arab%E2%80%93Byzantine_wars" title="Arab–Byzantine wars">Arab–Byzantine wars</a>. The <a href="/wiki/Byzantine_Empire" title="Byzantine Empire">Byzantine Empire</a> used a system of <a href="/wiki/Beacon" title="Beacon">beacons</a> to transmit messages from the border with the <a href="/wiki/Abbasid_Caliphate" title="Abbasid Caliphate">Abbasid Caliphate</a> across <a href="/wiki/Asia_Minor" class="mw-redirect" title="Asia Minor">Asia Minor</a> to the Byzantine capital, <a href="/wiki/Constantinople" title="Constantinople">Constantinople</a>. The main line of beacons stretched over some 720 km (450 mi) with stations placed from 100 km (60 mi) to 60 km (35 mi). A message could be sent along the line in approximately one hour. A <a href="/wiki/Bonfire" title="Bonfire">bonfire</a> was set at the first beacon and transmitted down the line to Constantinople. </p><p>A <a href="/wiki/Smoke_signal" title="Smoke signal">smoke signal</a> is one of the oldest forms of semaphore for long-distance communication. The smoke is used to transmit news, signal danger or gather people to a common area. </p> <div class="mw-heading mw-heading2"><h2 id="Lights">Lights</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Semaphore&action=edit&section=2" title="Edit section: Lights"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/File:The_Royal_Navy_during_the_Second_World_War_A8066.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/d/da/The_Royal_Navy_during_the_Second_World_War_A8066.jpg/220px-The_Royal_Navy_during_the_Second_World_War_A8066.jpg" decoding="async" width="220" height="345" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/da/The_Royal_Navy_during_the_Second_World_War_A8066.jpg/330px-The_Royal_Navy_during_the_Second_World_War_A8066.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/da/The_Royal_Navy_during_the_Second_World_War_A8066.jpg/440px-The_Royal_Navy_during_the_Second_World_War_A8066.jpg 2x" data-file-width="510" data-file-height="800" /></a><figcaption>Sailor with signal lamp</figcaption></figure> <p>A <a href="/wiki/Signal_lamp" title="Signal lamp">signal lamp</a> is a semaphore system using a visual signaling device, often utilizing <a href="/wiki/Morse_code" title="Morse code">Morse code</a>. In the 19th century, the <a href="/wiki/Royal_Navy" title="Royal Navy">Royal Navy</a> began using signal lamps. In 1867, then Captain, later Vice Admiral, <a href="/wiki/Philip_Howard_Colomb" title="Philip Howard Colomb">Philip Howard Colomb</a> for the first time began using dots and dashes from a signal lamp.<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> </p><p>The modern <a href="/wiki/Lighthouse" title="Lighthouse">lighthouse</a> is a semaphore using a tower, building, or another type of structure designed to emit light from a system of lamps and <a href="/wiki/Lens_(optics)" class="mw-redirect" title="Lens (optics)">lenses</a> and to serve as a <a href="/wiki/Navigational_aid" title="Navigational aid">navigational aid</a> for <a href="/wiki/Maritime_pilot" title="Maritime pilot">maritime pilots</a> at sea or on inland waterways. Lighthouses mark dangerous coastlines, hazardous <a href="/wiki/Shoal" title="Shoal">shoals</a>, <a href="/wiki/Reef" title="Reef">reefs</a>, rocks, and safe entries to harbors; they also assist in <a href="/wiki/Aerial_navigation" class="mw-redirect" title="Aerial navigation">aerial navigation</a>. Originally lit by open fires and later candles, the <a href="/wiki/Argand_lamp" title="Argand lamp">Argand hollow wick lamp</a> and <a href="/wiki/Parabolic_reflector" title="Parabolic reflector">parabolic reflector</a> were introduced in the late 18th century. The source of light is called the "lamp" and the light is concentrated, by the "lens" or "optic". <a href="/wiki/Whale_oil" title="Whale oil">Whale oil</a> was also used with wicks as the source of light. <a href="/wiki/Kerosene" title="Kerosene">Kerosene</a> became popular in the 1870s and electricity and carbide (<a href="/wiki/Acetylene_gas" class="mw-redirect" title="Acetylene gas">acetylene gas</a>) began replacing kerosene around the turn of the 20th century. Carbide was promoted by the <a href="/wiki/Dal%C3%A9n_light" title="Dalén light">Dalén light</a> which automatically lit the lamp at nightfall and extinguished it at dawn. The advent of electrification and <a href="/wiki/Automatic_lamp_changer" title="Automatic lamp changer">automatic lamp changers</a> began to make lighthouse keepers obsolete. Improvements in maritime navigation and safety with <a href="/wiki/Satellite_navigation" title="Satellite navigation">satellite navigation</a> systems like the <a href="/wiki/Global_Positioning_System" title="Global Positioning System">Global Positioning System</a> (GPS) have led to the phasing out of non-automated lighthouses across the world.<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Flags">Flags</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Semaphore&action=edit&section=3" title="Edit section: Flags"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:Semaphore_Signals_A-Z.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/0/0a/Semaphore_Signals_A-Z.jpg/220px-Semaphore_Signals_A-Z.jpg" decoding="async" width="220" height="155" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/0a/Semaphore_Signals_A-Z.jpg/330px-Semaphore_Signals_A-Z.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/0a/Semaphore_Signals_A-Z.jpg/440px-Semaphore_Signals_A-Z.jpg 2x" data-file-width="5613" data-file-height="3967" /></a><figcaption>Flag <a href="/wiki/Latin_alphabet" title="Latin alphabet">alphabet</a></figcaption></figure> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Main articles: <a href="/wiki/Flag_semaphore" title="Flag semaphore">Flag semaphore</a> and <a href="/wiki/International_maritime_signal_flags" title="International maritime signal flags">International maritime signal flags</a></div> <p>A <a href="/wiki/Flag_semaphore" title="Flag semaphore">flag semaphore</a><sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> is the <a href="/wiki/Telegraphy" title="Telegraphy">telegraphy</a> system conveying information at a distance by means of visual signals with hand-held flags, rods, disks, paddles, or occasionally bare or gloved hands. Information is encoded by the position of the flags.<sup id="cite_ref-HistUk_9-0" class="reference"><a href="#cite_note-HistUk-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> It is still used during <a href="/wiki/Underway_replenishment" title="Underway replenishment">underway replenishment</a> at sea and is acceptable for emergency communication in daylight or using lighted wands instead of flags, at night. </p><p><a href="/wiki/International_maritime_signal_flags" title="International maritime signal flags">International maritime signal flags</a> are a system used by ships for communication at sea, each flag representing a specific letter, numeral, or message in the <a href="/w/index.php?title=International_maritime_signal_code&action=edit&redlink=1" class="new" title="International maritime signal code (page does not exist)">international maritime signal code</a>. They are brightly coloured and easily distinguishable, serving purposes such as spelling out messages, identifying letters and numbers, signalling distress or requests for assistance and communicating nautical procedures. Standardized by the <a href="/wiki/International_Maritime_Organization" title="International Maritime Organization">International Maritime Organization</a> (IMO), these flags ensure global uniformity. They allow maritime professionals a tool for effective and clear communication at sea. </p> <div class="mw-heading mw-heading2"><h2 id="Sunlight">Sunlight</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Semaphore&action=edit&section=4" title="Edit section: Sunlight"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:A_boer_war_reenactor,_MC_Heunis_preparing_his_heliograph_on_top_of_Elandskop_Hill_in_Petrus_Steyn.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e4/A_boer_war_reenactor%2C_MC_Heunis_preparing_his_heliograph_on_top_of_Elandskop_Hill_in_Petrus_Steyn.jpg/220px-A_boer_war_reenactor%2C_MC_Heunis_preparing_his_heliograph_on_top_of_Elandskop_Hill_in_Petrus_Steyn.jpg" decoding="async" width="220" height="330" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e4/A_boer_war_reenactor%2C_MC_Heunis_preparing_his_heliograph_on_top_of_Elandskop_Hill_in_Petrus_Steyn.jpg/330px-A_boer_war_reenactor%2C_MC_Heunis_preparing_his_heliograph_on_top_of_Elandskop_Hill_in_Petrus_Steyn.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e4/A_boer_war_reenactor%2C_MC_Heunis_preparing_his_heliograph_on_top_of_Elandskop_Hill_in_Petrus_Steyn.jpg/440px-A_boer_war_reenactor%2C_MC_Heunis_preparing_his_heliograph_on_top_of_Elandskop_Hill_in_Petrus_Steyn.jpg 2x" data-file-width="3072" data-file-height="4608" /></a><figcaption>Heliograph</figcaption></figure> <p>A <a href="/wiki/Heliograph" title="Heliograph">heliograph</a> is a semaphore that signals by flashes of <a href="/wiki/Sunlight" title="Sunlight">sunlight</a> using a mirror, often in <a href="/wiki/Morse_code" title="Morse code">Morse code</a>. The flashes are produced by momentarily pivoting the <a href="/wiki/Mirror" title="Mirror">mirror</a> or by interrupting the sunlight with a shutter.<sup id="cite_ref-Woods2008_10-0" class="reference"><a href="#cite_note-Woods2008-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> The heliograph was a simple but effective instrument for instantaneous optical communication over long distances during the late 19th and early 20th century.<sup id="cite_ref-Woods2008_10-1" class="reference"><a href="#cite_note-Woods2008-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> The main uses were for the military, survey and forest protection work. Heliographs were standard issue in the British and Australian armies until the 1960s and were used by the Pakistani army as late as 1975.<sup id="cite_ref-Boer_11-0" class="reference"><a href="#cite_note-Boer-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Moving_arms">Moving arms</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Semaphore&action=edit&section=5" title="Edit section: Moving arms"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Optical_telegraph">Optical telegraph</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Semaphore&action=edit&section=6" title="Edit section: Optical telegraph"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Main article: <a href="/wiki/Optical_telegraph" title="Optical telegraph">Optical telegraph</a></div> <figure class="mw-default-size mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/File:Signaling_by_Napoleonic_semaphore_line.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/f/fa/Signaling_by_Napoleonic_semaphore_line.jpg/220px-Signaling_by_Napoleonic_semaphore_line.jpg" decoding="async" width="220" height="187" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/fa/Signaling_by_Napoleonic_semaphore_line.jpg/330px-Signaling_by_Napoleonic_semaphore_line.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/fa/Signaling_by_Napoleonic_semaphore_line.jpg/440px-Signaling_by_Napoleonic_semaphore_line.jpg 2x" data-file-width="1075" data-file-height="912" /></a><figcaption>Napoleonic semaphore line</figcaption></figure> <p>In 1792 <a href="/wiki/Claude_Chappe" title="Claude Chappe">Claude Chappe</a>, a clergyman from France, invented a <a href="/wiki/Land" title="Land">terrestrial</a> <a href="/wiki/Optical_telegraph" title="Optical telegraph">semaphore telegraph</a>, which uses pivoted indicator arms and conveys information according to the direction the indicators point and was popular in the late eighteenth to early nineteenth centuries.<sup id="cite_ref-Burns2004_12-0" class="reference"><a href="#cite_note-Burns2004-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-EncyBrit1824_13-0" class="reference"><a href="#cite_note-EncyBrit1824-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-EdEnc1832_14-0" class="reference"><a href="#cite_note-EdEnc1832-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-EB_2-2" class="reference"><a href="#cite_note-EB-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-15" class="reference"><a href="#cite_note-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup> Relay towers were built with a <a href="/wiki/Sightline" class="mw-redirect" title="Sightline">sightline</a> to each tower at separations of 10–30 km (5–20 mi). On the top of each tower was an apparatus, which uses pivoted indicator arms and conveys information according to the direction the indicators point. An observer at each tower would watch the neighbouring tower through a <a href="/wiki/Telescope" title="Telescope">telescope</a> and when the semaphore arms began to move spelling out a message, they would pass the message on to the next tower. This early form of telegraph system was much more effective and efficient than <a href="/wiki/Post_riders" title="Post riders">post riders</a> for conveying a message over long distances. The sightline between relay stations was limited by <a href="/wiki/Geography" title="Geography">geography</a> and weather. In addition, the visual communication would not be able to cross large bodies of water. </p><p>An example is during the <a href="/wiki/Napoleonic_era" title="Napoleonic era">Napoleonic era</a>, stations were constructed to send and receive messages using the coined term <i>Napoleonic semaphore</i>.<sup id="cite_ref-BBC_16-0" class="reference"><a href="#cite_note-BBC-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Shannon_17-0" class="reference"><a href="#cite_note-Shannon-17"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup> This form of visual communication was so effective that messages that normally took days to communicate could now be transmitted in mere hours.<sup id="cite_ref-BBC_16-1" class="reference"><a href="#cite_note-BBC-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Railway_signal">Railway signal</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Semaphore&action=edit&section=7" title="Edit section: Railway signal"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:Signal_Home_Semaphore_R_%26_G.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/3/3e/Signal_Home_Semaphore_R_%26_G.svg/220px-Signal_Home_Semaphore_R_%26_G.svg.png" decoding="async" width="220" height="198" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/3e/Signal_Home_Semaphore_R_%26_G.svg/330px-Signal_Home_Semaphore_R_%26_G.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/3e/Signal_Home_Semaphore_R_%26_G.svg/440px-Signal_Home_Semaphore_R_%26_G.svg.png 2x" data-file-width="200" data-file-height="180" /></a><figcaption>Railway pivot arms</figcaption></figure> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Main article: <a href="/wiki/Railway_semaphore_signal" title="Railway semaphore signal">Railway semaphore signal</a></div> <p>The <a href="/wiki/Railway_semaphore_signal" title="Railway semaphore signal">railway semaphore signal</a> is one of the earliest forms of fixed <a href="/wiki/Railway_signal" title="Railway signal">railway signals</a>.<sup id="cite_ref-18" class="reference"><a href="#cite_note-18"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup> These signals display their different indications to <a href="/wiki/Railroad_engineer" class="mw-redirect" title="Railroad engineer">train drivers</a> by changing the angle of inclination of a pivoted 'arms'.<sup id="cite_ref-FM_3-2" class="reference"><a href="#cite_note-FM-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> A single arm that pivots is attached to a vertical post and can take one of three positions. The horizontal position indicates stop, the vertical means all clear and the inclined indicates go ahead under control, but expect to stop.<sup id="cite_ref-FM_3-3" class="reference"><a href="#cite_note-FM-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> Designs have altered over the intervening years and colour light signals have replaced semaphore signals in most countries. </p> <div class="mw-heading mw-heading2"><h2 id="Hydraulic">Hydraulic</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Semaphore&action=edit&section=8" title="Edit section: Hydraulic"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Main article: <a href="/wiki/Hydraulic_telegraph" title="Hydraulic telegraph">Hydraulic telegraph</a></div> <p>A <a href="/wiki/Hydraulic_telegraph" title="Hydraulic telegraph">hydraulic telegraph</a> can refer to either one of two different semaphore systems. The earliest one was developed in <a href="/wiki/Ancient_Greece" title="Ancient Greece">4th-century BC Greece</a>, while the other was developed in <a href="/wiki/Victorian_era" title="Victorian era">19th-century AD Britain</a>. The Greek system was deployed in combination with <a href="/wiki/Flag_semaphore" title="Flag semaphore">semaphoric</a> fires, while the latter British system was operated purely by <a href="/wiki/Hydraulic" class="mw-redirect" title="Hydraulic">hydraulic</a> fluid pressure. </p> <div class="mw-heading mw-heading2"><h2 id="Decline">Decline</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Semaphore&action=edit&section=9" title="Edit section: Decline"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:Wallace_Study-Telegraph.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/3/35/Wallace_Study-Telegraph.jpg/220px-Wallace_Study-Telegraph.jpg" decoding="async" width="220" height="147" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/35/Wallace_Study-Telegraph.jpg/330px-Wallace_Study-Telegraph.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/35/Wallace_Study-Telegraph.jpg/440px-Wallace_Study-Telegraph.jpg 2x" data-file-width="4272" data-file-height="2848" /></a><figcaption>Electric telegraph</figcaption></figure> <p>In the early 19th century, the <a href="/wiki/Electrical_telegraph" title="Electrical telegraph">electrical telegraph</a> was gradually invented allowing a message to be sent over a wire.<sup id="cite_ref-19" class="reference"><a href="#cite_note-19"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-20" class="reference"><a href="#cite_note-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> In 1835, the American inventor <a href="/wiki/Samuel_Morse" title="Samuel Morse">Samuel Morse</a> created a dots and dashes language system representing both letters and numbers, called the <a href="/wiki/Morse_code" title="Morse code">Morse code</a>, enabling text-based transmissions. In 1837, the British inventors <a href="/wiki/William_Fothergill_Cooke" title="William Fothergill Cooke">William Fothergill Cooke</a> and <a href="/wiki/Charles_Wheatstone" title="Charles Wheatstone">Charles Wheatstone</a> obtained a patent for the first commercially viable <a href="/wiki/Cooke_and_Wheatstone_telegraph" title="Cooke and Wheatstone telegraph">telegraph</a>.<sup id="cite_ref-21" class="reference"><a href="#cite_note-21"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup> By the 1840s, with the combination of the telegraph and Morse code, the semaphore system was replaced.<sup id="cite_ref-22" class="reference"><a href="#cite_note-22"><span class="cite-bracket">[</span>22<span class="cite-bracket">]</span></a></sup> The telegraph continued to be used commercially for over 100 years and Morse code is still used by <a href="/wiki/Amateur_radio" title="Amateur radio">amateur radio</a> enthusiasts. Telecommunication evolved replacing the electric telegraph with the advent of <a href="/wiki/Wireless_telegraphy" title="Wireless telegraphy">wireless telegraphy</a>, <a href="/wiki/Teleprinter" title="Teleprinter">teleprinter</a>, telephone, radio, television, <a href="/wiki/Satellite" title="Satellite">satellite</a>, mobile phone, Internet and broadband.<sup id="cite_ref-23" class="reference"><a href="#cite_note-23"><span class="cite-bracket">[</span>23<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-24" class="reference"><a href="#cite_note-24"><span class="cite-bracket">[</span>24<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Semaphore&action=edit&section=10" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Military_communications" title="Military communications">Military communications</a></li> <li><a href="/wiki/Optical_communication" title="Optical communication">Optical communication</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Semaphore&action=edit&section=11" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap mw-references-columns"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite id="CITEREFHarper" class="citation web cs1">Harper, Douglas. <a rel="nofollow" class="external text" href="https://www.etymonline.com/?term=semaphore">"semaphore"</a>. <i><a href="/wiki/Online_Etymology_Dictionary" title="Online Etymology Dictionary">Online Etymology Dictionary</a></i><span class="reference-accessdate">. Retrieved <span class="nowrap">15 August</span> 2021</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Online+Etymology+Dictionary&rft.atitle=semaphore&rft.aulast=Harper&rft.aufirst=Douglas&rft_id=https%3A%2F%2Fwww.etymonline.com%2F%3Fterm%3Dsemaphore&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASemaphore" class="Z3988"></span></span> </li> <li id="cite_note-EB-2"><span class="mw-cite-backlink">^ <a href="#cite_ref-EB_2-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-EB_2-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-EB_2-2"><sup><i><b>c</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.britannica.com/technology/semaphore">"Semaphore | communications"</a>. <i>Encyclopedia Britannica</i>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Encyclopedia+Britannica&rft.atitle=Semaphore+%26%23124%3B+communications&rft_id=https%3A%2F%2Fwww.britannica.com%2Ftechnology%2Fsemaphore&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASemaphore" class="Z3988"></span></span> </li> <li id="cite_note-FM-3"><span class="mw-cite-backlink">^ <a href="#cite_ref-FM_3-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-FM_3-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-FM_3-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-FM_3-3"><sup><i><b>d</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.factmonster.com/encyclopedia/science/tech/terms/semaphore">"semaphore | FactMonster"</a>. <i>www.factmonster.com</i>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=www.factmonster.com&rft.atitle=semaphore+%26%23124%3B+FactMonster&rft_id=https%3A%2F%2Fwww.factmonster.com%2Fencyclopedia%2Fscience%2Ftech%2Fterms%2Fsemaphore&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASemaphore" class="Z3988"></span></span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-4">^</a></b></span> <span class="reference-text">Beauchamp, K. G. (2001). <i><a rel="nofollow" class="external text" href="https://books.google.com/books?id=k3XCkncd83AC&q=History+of+Telegraphy">History of Telegraphy</a></i>. (<i>Chapter 1</i>). The Institution of Engineering and Technology. <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-0852967928" title="Special:BookSources/978-0852967928">978-0852967928</a></span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-5">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://glcp.uvm.edu/landscape_new/dating/road_signs_and_traffic_signals/semaphore_signals.php">"Semaphore - Traffic Signals - Road Signs and Traffic Signals - Dating - Landscape Change Program"</a>. <i>glcp.uvm.edu</i><span class="reference-accessdate">. Retrieved <span class="nowrap">15 August</span> 2021</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=glcp.uvm.edu&rft.atitle=Semaphore+-+Traffic+Signals+-+Road+Signs+and+Traffic+Signals+-+Dating+-+Landscape+Change+Program&rft_id=https%3A%2F%2Fglcp.uvm.edu%2Flandscape_new%2Fdating%2Froad_signs_and_traffic_signals%2Fsemaphore_signals.php&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASemaphore" class="Z3988"></span></span> </li> <li id="cite_note-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-6">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFSterling2008" class="citation book cs1">Sterling, Christopher H., ed. (2008). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=RBC2nY1rp5MC&pg=PA209"><i>Military Communications: From Ancient Times to the 21st Century</i></a>. Santa Barbara, California: ABC-CLIO, Inc. p. 209. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-1-85109-732-6" title="Special:BookSources/978-1-85109-732-6"><bdi>978-1-85109-732-6</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Military+Communications%3A+From+Ancient+Times+to+the+21st+Century&rft.place=Santa+Barbara%2C+California&rft.pages=209&rft.pub=ABC-CLIO%2C+Inc.&rft.date=2008&rft.isbn=978-1-85109-732-6&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DRBC2nY1rp5MC%26pg%3DPA209&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASemaphore" class="Z3988"></span></span> </li> <li id="cite_note-7"><span class="mw-cite-backlink"><b><a href="#cite_ref-7">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.nps.gov/history/maritime/keep/keep19th.htm">"Maritime Heritage Program – National Park Service"</a><span class="reference-accessdate">. Retrieved <span class="nowrap">6 April</span> 2017</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Maritime+Heritage+Program+%E2%80%93+National+Park+Service&rft_id=http%3A%2F%2Fwww.nps.gov%2Fhistory%2Fmaritime%2Fkeep%2Fkeep19th.htm&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASemaphore" class="Z3988"></span></span> </li> <li id="cite_note-8"><span class="mw-cite-backlink"><b><a href="#cite_ref-8">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.jproc.ca/rrp/rrp2/visual_semaphore_other.html">"Visual Signalling in the RCN - Semaphore"</a>. <i>www.jproc.ca</i>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=www.jproc.ca&rft.atitle=Visual+Signalling+in+the+RCN+-+Semaphore&rft_id=http%3A%2F%2Fwww.jproc.ca%2Frrp%2Frrp2%2Fvisual_semaphore_other.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASemaphore" class="Z3988"></span></span> </li> <li id="cite_note-HistUk-9"><span class="mw-cite-backlink"><b><a href="#cite_ref-HistUk_9-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20210511225618/https://commsmuseum.co.uk/exhibits/imagestactical/history%20of%20semaphore.pdf">"History of Semaphore"</a> <span class="cs1-format">(PDF)</span>. <i>Royal Navy Communications Branch Museum/Library</i>. Archived from <a rel="nofollow" class="external text" href="https://www.commsmuseum.co.uk/exhibits/imagestactical/history%20of%20semaphore.pdf">the original</a> <span class="cs1-format">(PDF)</span> on 11 May 2021<span class="reference-accessdate">. Retrieved <span class="nowrap">16 May</span> 2020</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Royal+Navy+Communications+Branch+Museum%2FLibrary&rft.atitle=History+of+Semaphore&rft_id=https%3A%2F%2Fwww.commsmuseum.co.uk%2Fexhibits%2Fimagestactical%2Fhistory%2520of%2520semaphore.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASemaphore" class="Z3988"></span></span> </li> <li id="cite_note-Woods2008-10"><span class="mw-cite-backlink">^ <a href="#cite_ref-Woods2008_10-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Woods2008_10-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFWoods2008" class="citation book cs1">Woods, Daniel (2008). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=RBC2nY1rp5MC&q=heliograph&pg=PA211">"Heliograph and Mirrors"</a>. In Sterling, Christopher (ed.). <i>Military Communications: From Ancient Times to the 21st Century</i>. ABC-CLIO. p. 208. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-1851097326" title="Special:BookSources/978-1851097326"><bdi>978-1851097326</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=Heliograph+and+Mirrors&rft.btitle=Military+Communications%3A+From+Ancient+Times+to+the+21st+Century&rft.pages=208&rft.pub=ABC-CLIO&rft.date=2008&rft.isbn=978-1851097326&rft.aulast=Woods&rft.aufirst=Daniel&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DRBC2nY1rp5MC%26q%3Dheliograph%26pg%3DPA211&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASemaphore" class="Z3988"></span></span> </li> <li id="cite_note-Boer-11"><span class="mw-cite-backlink"><b><a href="#cite_ref-Boer_11-0">^</a></b></span> <span class="reference-text">Major J. D. Harris <a rel="nofollow" class="external text" href="http://rapidttp.com/milhist/vol111jh.html">WIRE AT WAR – Signals communication in the South African War 1899–1902</a>. Retrieved on 1 June 2008. Discussion of heliograph use in the Boer War.</span> </li> <li id="cite_note-Burns2004-12"><span class="mw-cite-backlink"><b><a href="#cite_ref-Burns2004_12-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFBurns2004" class="citation book cs1">Burns, R. W. (2004). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=7eUUy8-VvwoC&pg=PA29">"Chapter 2: Semaphore Signalling"</a>. <i>Communications: an international history of the formative years</i>. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-0-86341-327-8" title="Special:BookSources/978-0-86341-327-8"><bdi>978-0-86341-327-8</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=Chapter+2%3A+Semaphore+Signalling&rft.btitle=Communications%3A+an+international+history+of+the+formative+years&rft.date=2004&rft.isbn=978-0-86341-327-8&rft.aulast=Burns&rft.aufirst=R.+W.&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3D7eUUy8-VvwoC%26pg%3DPA29&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASemaphore" class="Z3988"></span></span> </li> <li id="cite_note-EncyBrit1824-13"><span class="mw-cite-backlink"><b><a href="#cite_ref-EncyBrit1824_13-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation book cs1"><a rel="nofollow" class="external text" href="https://books.google.com/books?id=MsYnAAAAMAAJ&pg=PA645">"Telegraph"</a>. <i>Encyclopædia Britannica</i>. Vol. 10 (6th ed.). 1824. pp. 645–651.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=Telegraph&rft.btitle=Encyclop%C3%A6dia+Britannica&rft.pages=645-651&rft.edition=6th&rft.date=1824&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DMsYnAAAAMAAJ%26pg%3DPA645&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASemaphore" class="Z3988"></span></span> </li> <li id="cite_note-EdEnc1832-14"><span class="mw-cite-backlink"><b><a href="#cite_ref-EdEnc1832_14-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFDavid_Brewster1832" class="citation book cs1">David Brewster, ed. (1832). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=VhEbAQAAMAAJ&pg=PA657">"Telegraph"</a>. <i>The Edinburgh Encyclopaedia</i>. Vol. 17. pp. 664–667.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=Telegraph&rft.btitle=The+Edinburgh+Encyclopaedia&rft.pages=664-667&rft.date=1832&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DVhEbAQAAMAAJ%26pg%3DPA657&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASemaphore" class="Z3988"></span></span> </li> <li id="cite_note-15"><span class="mw-cite-backlink"><b><a href="#cite_ref-15">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://ethw.org/w/images/1/17/Dilhac.pdf">"J-M. Dilhac, "The Telegraph of Claude Chappe: An Optical Telecommunication Network for the XVIIIrd Century."<span class="cs1-kern-right"></span>"</a> <span class="cs1-format">(PDF)</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=J-M.+Dilhac%2C+%22The+Telegraph+of+Claude+Chappe%3A+An+Optical+Telecommunication+Network+for+the+XVIIIrd+Century.%22&rft_id=https%3A%2F%2Fethw.org%2Fw%2Fimages%2F1%2F17%2FDilhac.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASemaphore" class="Z3988"></span></span> </li> <li id="cite_note-BBC-16"><span class="mw-cite-backlink">^ <a href="#cite_ref-BBC_16-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-BBC_16-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation news cs1"><a rel="nofollow" class="external text" href="https://www.bbc.com/news/magazine-22909590">"How Napoleon's semaphore telegraph changed the world"</a>. <i>BBC News</i>. 16 June 2013<span class="reference-accessdate">. Retrieved <span class="nowrap">23 December</span> 2020</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=BBC+News&rft.atitle=How+Napoleon%27s+semaphore+telegraph+changed+the+world&rft.date=2013-06-16&rft_id=https%3A%2F%2Fwww.bbc.com%2Fnews%2Fmagazine-22909590&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASemaphore" class="Z3988"></span></span> </li> <li id="cite_note-Shannon-17"><span class="mw-cite-backlink"><b><a href="#cite_ref-Shannon_17-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://shannonselin.com/2020/05/chappe-semaphore-telegraph/">"Napoleonic Telecommunications: The Chappe Semaphore Telegraph"</a>. <i>Shannon Selin</i>. 15 May 2020.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Shannon+Selin&rft.atitle=Napoleonic+Telecommunications%3A+The+Chappe+Semaphore+Telegraph&rft.date=2020-05-15&rft_id=https%3A%2F%2Fshannonselin.com%2F2020%2F05%2Fchappe-semaphore-telegraph%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASemaphore" class="Z3988"></span></span> </li> <li id="cite_note-18"><span class="mw-cite-backlink"><b><a href="#cite_ref-18">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://mysite.du.edu/~jcalvert/railway/semaphor/semhist.htm">"The Origin of the Railway Semaphore"</a>. Mysite.du.edu<span class="reference-accessdate">. Retrieved <span class="nowrap">17 June</span> 2013</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=The+Origin+of+the+Railway+Semaphore&rft.pub=Mysite.du.edu&rft_id=http%3A%2F%2Fmysite.du.edu%2F~jcalvert%2Frailway%2Fsemaphor%2Fsemhist.htm&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASemaphore" class="Z3988"></span></span> </li> <li id="cite_note-19"><span class="mw-cite-backlink"><b><a href="#cite_ref-19">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFMoss2013" class="citation cs2">Moss, Stephen (10 July 2013), <a rel="nofollow" class="external text" href="https://www.theguardian.com/world/shortcuts/2013/jul/10/final-telegram-to-be-sent-india">"Final telegram to be sent. STOP"</a>, <i>The Guardian: International Edition</i></cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=The+Guardian%3A+International+Edition&rft.atitle=Final+telegram+to+be+sent.+STOP&rft.date=2013-07-10&rft.aulast=Moss&rft.aufirst=Stephen&rft_id=https%3A%2F%2Fwww.theguardian.com%2Fworld%2Fshortcuts%2F2013%2Fjul%2F10%2Ffinal-telegram-to-be-sent-india&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASemaphore" class="Z3988"></span></span> </li> <li id="cite_note-20"><span class="mw-cite-backlink"><b><a href="#cite_ref-20">^</a></b></span> <span class="reference-text">Standage, Tom. (2014). <i><a rel="nofollow" class="external text" href="https://www.bloomsbury.com/us/the-victorian-internet-9781620405925/">The Victorian Internet: The Remarkable Story of the Telegraph and the Nineteenth Century's On-line Pioneers</a></i>. Bloomsbury USA; Second Edition, Revised. <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/9781620405925" title="Special:BookSources/9781620405925">9781620405925</a></span> </li> <li id="cite_note-21"><span class="mw-cite-backlink"><b><a href="#cite_ref-21">^</a></b></span> <span class="reference-text">Beauchamp, K. G. (2001). <i><a rel="nofollow" class="external text" href="https://books.google.com/books?id=k3XCkncd83AC&q=History+of+Telegraphy">History of Telegraphy</a></i>. (<i>Chapter 3</i>). The Institution of Engineering and Technology. <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-0852967928" title="Special:BookSources/978-0852967928">978-0852967928</a></span> </li> <li id="cite_note-22"><span class="mw-cite-backlink"><b><a href="#cite_ref-22">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.britannica.com/technology/telegraph">"Telegraph - The end of the telegraph era"</a>. <i>Encyclopedia Britannica</i>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Encyclopedia+Britannica&rft.atitle=Telegraph+-+The+end+of+the+telegraph+era&rft_id=https%3A%2F%2Fwww.britannica.com%2Ftechnology%2Ftelegraph&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASemaphore" class="Z3988"></span></span> </li> <li id="cite_note-23"><span class="mw-cite-backlink"><b><a href="#cite_ref-23">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation cs2"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20150319031957/https://www.itu.int/dms_pub/itu-s/oth/02/02/S02020000244501PDFE.PDF">"Article 1.3"</a> <span class="cs1-format">(PDF)</span>, <a href="/wiki/ITU_Radio_Regulations" title="ITU Radio Regulations"><i>ITU Radio Regulations</i></a>, <a href="/wiki/International_Telecommunication_Union" title="International Telecommunication Union">International Telecommunication Union</a>, 2012, archived from <a rel="nofollow" class="external text" href="https://www.itu.int/dms_pub/itu-s/oth/02/02/S02020000244501PDFE.PDF">the original</a> <span class="cs1-format">(PDF)</span> on 19 March 2015</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=Article+1.3&rft.btitle=ITU+Radio+Regulations&rft.pub=International+Telecommunication+Union&rft.date=2012&rft_id=https%3A%2F%2Fwww.itu.int%2Fdms_pub%2Fitu-s%2Foth%2F02%2F02%2FS02020000244501PDFE.PDF&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASemaphore" class="Z3988"></span></span> </li> <li id="cite_note-24"><span class="mw-cite-backlink"><b><a href="#cite_ref-24">^</a></b></span> <span class="reference-text">Constitution and Convention of the International Telecommunication Union, Annex (Geneva, 1992)</span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="Further_reading">Further reading</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Semaphore&action=edit&section=12" title="Edit section: Further reading"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>Burns, R.W. (2003). <i>Communications: An International History of the Formative Years</i>. (<i><a rel="nofollow" class="external text" href="https://books.google.com/books?id=7eUUy8-VvwoC&pg=PA29">Chapter 2</a></i>) The Institution of Engineering and Technology. <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-0863413278" title="Special:BookSources/978-0863413278">978-0863413278</a>.</li> <li><a rel="nofollow" class="external text" href="http://spinroot.com/gerard/">Holzmann, Gerard J.</a> (1994). <i><a rel="nofollow" class="external text" href="http://spinroot.com/gerard/hist.html">The Early History of Data Networks</a></i>. Wiley-IEEE Computer Society Press; 1st edition. <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-0818667824" title="Special:BookSources/978-0818667824">978-0818667824</a>.</li> <li>Pasley, C. W. (1823). <i><a rel="nofollow" class="external text" href="https://books.google.com/books?id=mWYUAAAAQAAJ&q=Description+Of+The+Universal+Telegraph+For+Day+And+Night+Signals">Description of the Universal Telegraph for Day and Night Signals</a></i>. T. Egerton Military Library. Egerton.</li> <li>Wilson, G. (1976). <i>The Old Telegraphs</i>. Phillimore & Co. Chichester, West Sussex. <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-0900592799" title="Special:BookSources/978-0900592799">978-0900592799</a>.</li></ul> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Semaphore&action=edit&section=13" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1235681985">.mw-parser-output .side-box{margin:4px 0;box-sizing:border-box;border:1px solid #aaa;font-size:88%;line-height:1.25em;background-color:var(--background-color-interactive-subtle,#f8f9fa);display:flow-root}.mw-parser-output .side-box-abovebelow,.mw-parser-output .side-box-text{padding:0.25em 0.9em}.mw-parser-output .side-box-image{padding:2px 0 2px 0.9em;text-align:center}.mw-parser-output .side-box-imageright{padding:2px 0.9em 2px 0;text-align:center}@media(min-width:500px){.mw-parser-output .side-box-flex{display:flex;align-items:center}.mw-parser-output .side-box-text{flex:1;min-width:0}}@media(min-width:720px){.mw-parser-output .side-box{width:238px}.mw-parser-output .side-box-right{clear:right;float:right;margin-left:1em}.mw-parser-output .side-box-left{margin-right:1em}}</style><style data-mw-deduplicate="TemplateStyles:r1250146164">.mw-parser-output .sister-box .side-box-abovebelow{padding:0.75em 0;text-align:center}.mw-parser-output .sister-box .side-box-abovebelow>b{display:block}.mw-parser-output .sister-box .side-box-text>ul{border-top:1px solid #aaa;padding:0.75em 0;width:217px;margin:0 auto}.mw-parser-output .sister-box .side-box-text>ul>li{min-height:31px}.mw-parser-output .sister-logo{display:inline-block;width:31px;line-height:31px;vertical-align:middle;text-align:center}.mw-parser-output .sister-link{display:inline-block;margin-left:4px;width:182px;vertical-align:middle}@media print{body.ns-0 .mw-parser-output .sistersitebox{display:none!important}}@media screen{html.skin-theme-clientpref-night .mw-parser-output .sistersitebox img[src*="Wiktionary-logo-v2.svg"]{background-color:white}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .sistersitebox img[src*="Wiktionary-logo-v2.svg"]{background-color:white}}</style><div role="navigation" aria-labelledby="sister-projects" class="side-box metadata side-box-right sister-box sistersitebox plainlinks"><style data-mw-deduplicate="TemplateStyles:r1126788409">.mw-parser-output .plainlist ol,.mw-parser-output .plainlist ul{line-height:inherit;list-style:none;margin:0;padding:0}.mw-parser-output .plainlist ol li,.mw-parser-output .plainlist ul li{margin-bottom:0}</style> <div class="side-box-abovebelow"> <b>Semaphore</b> at Wikipedia's <a href="/wiki/Wikipedia:Wikimedia_sister_projects" title="Wikipedia:Wikimedia sister projects"><span id="sister-projects">sister projects</span></a></div> <div class="side-box-flex"> <div class="side-box-text plainlist"><ul><li><span class="sister-logo"><span class="mw-valign-middle" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/0/06/Wiktionary-logo-v2.svg/27px-Wiktionary-logo-v2.svg.png" decoding="async" width="27" height="27" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/0/06/Wiktionary-logo-v2.svg/41px-Wiktionary-logo-v2.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/0/06/Wiktionary-logo-v2.svg/54px-Wiktionary-logo-v2.svg.png 2x" data-file-width="391" data-file-height="391" /></span></span></span><span class="sister-link"><a href="https://en.wiktionary.org/wiki/Special:Search/Semaphore" class="extiw" title="wikt:Special:Search/Semaphore">Definitions</a> from Wiktionary</span></li><li><span class="sister-logo"><span class="mw-valign-middle" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/20px-Commons-logo.svg.png" decoding="async" width="20" height="27" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/30px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/40px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></span></span></span><span class="sister-link"><a href="https://commons.wikimedia.org/wiki/Category:Semaphore" class="extiw" title="c:Category:Semaphore">Media</a> from Commons</span></li><li><span class="sister-logo"><span class="mw-valign-middle" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/fa/Wikiquote-logo.svg/23px-Wikiquote-logo.svg.png" decoding="async" width="23" height="27" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/fa/Wikiquote-logo.svg/35px-Wikiquote-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/fa/Wikiquote-logo.svg/46px-Wikiquote-logo.svg.png 2x" data-file-width="300" data-file-height="355" /></span></span></span><span class="sister-link"><a href="https://en.wikiquote.org/wiki/Special:Search/Semaphore" class="extiw" title="q:Special:Search/Semaphore">Quotations</a> from Wikiquote</span></li></ul></div></div> </div> <ul><li><a rel="nofollow" class="external text" href="https://www.youtube.com/watch?v=l0Sq7YueD1I&ab_channel=HistoryPod">Youtube: "2nd March 1791: Claude Chappe sends the first message by semaphore machine"</a></li> <li><a rel="nofollow" class="external text" href="https://www.youtube.com/watch?v=WrNDeYjcCJA&t=6s&ab_channel=ArtoftheProblem">YouTube: Information Theory part 4: Semaphores & signal fires</a></li> <li><a rel="nofollow" class="external text" href="https://www.youtube.com/watch?v=muMXPVCMI5o&ab_channel=Chrisstanger">YouTube: TeleCommunication: Semaphore Systems</a></li></ul> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline dl,.mw-parser-output .hlist.inline ol,.mw-parser-output .hlist.inline ul,.mw-parser-output .hlist dl dl,.mw-parser-output .hlist dl ol,.mw-parser-output .hlist dl ul,.mw-parser-output .hlist ol dl,.mw-parser-output .hlist ol ol,.mw-parser-output .hlist ol ul,.mw-parser-output .hlist ul dl,.mw-parser-output .hlist ul ol,.mw-parser-output .hlist ul ul{display:inline}.mw-parser-output .hlist .mw-empty-li{display:none}.mw-parser-output .hlist dt::after{content:": "}.mw-parser-output .hlist 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.navbar{display:none!important}}</style></div><div role="navigation" class="navbox" aria-labelledby="Types_of_writing_systems" style="padding:3px"><table class="nowraplinks mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:List_of_writing_systems" title="Template:List of writing systems"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:List_of_writing_systems" title="Template talk:List of writing systems"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:List_of_writing_systems" title="Special:EditPage/Template:List of writing systems"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Types_of_writing_systems" style="font-size:114%;margin:0 4em"><a href="/wiki/List_of_writing_systems" title="List of writing systems">Types</a> of <a href="/wiki/Writing_system" title="Writing system">writing systems</a></div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:10em">Overview</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/History_of_writing" title="History of writing">History of writing</a></li> <li><a href="/wiki/Grapheme" title="Grapheme">Grapheme</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em">Lists</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/List_of_writing_systems" title="List of writing systems">Writing systems</a> <ul><li><a href="/wiki/Undeciphered_writing_systems" title="Undeciphered writing systems">undeciphered</a></li> <li><a href="/wiki/List_of_creators_of_writing_systems" title="List of creators of writing systems">inventors</a></li> <li><a href="/wiki/List_of_constructed_scripts" title="List of constructed scripts">constructed</a></li></ul></li> <li>Languages by writing system / <a href="/wiki/List_of_languages_by_first_written_accounts" class="mw-redirect" title="List of languages by first written accounts">by first written accounts</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks mw-collapsible expanded navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><div id="Types" style="font-size:114%;margin:0 4em"><a href="/wiki/List_of_writing_systems" title="List of writing systems">Types</a></div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks mw-collapsible mw-collapsed navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><div id="Abjads" style="font-size:114%;margin:0 4em"><a href="/wiki/Abjad" title="Abjad">Abjads</a></div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Abjad_numerals" title="Abjad numerals">Numerals</a></i></li></ul> <ul><li><a href="/wiki/Aramaic_alphabet" title="Aramaic alphabet">Aramaic</a> <ul><li><a href="/wiki/Hatran_alphabet" class="mw-redirect" title="Hatran alphabet">Hatran</a></li></ul></li> <li><a href="/wiki/Arabic_script" title="Arabic script">Arabic</a> <ul><li><a href="/wiki/Elifba_alphabet" title="Elifba alphabet">Elifba</a></li></ul></li> <li><a href="/wiki/Egyptian_hieroglyphs" title="Egyptian hieroglyphs">Egyptian hieroglyphs</a></li> <li><a href="/wiki/Elymaic" title="Elymaic">Elymaic</a></li> <li><a href="/wiki/Hebrew_alphabet" title="Hebrew alphabet">Hebrew</a> <ul><li><a href="/wiki/Ktav_Ashuri" title="Ktav Ashuri">Ashuri</a></li> <li><a href="/wiki/Cursive_Hebrew" title="Cursive Hebrew">Cursive</a></li> <li><a href="/wiki/Rashi_script" title="Rashi script">Rashi</a></li> <li><a href="/wiki/Solitreo" title="Solitreo">Solitreo</a></li></ul></li> <li><a href="/wiki/Tifinagh" title="Tifinagh">Tifinagh</a></li> <li><a href="/wiki/Mandaic_alphabet" title="Mandaic alphabet">Mandaic</a></li> <li><a href="/wiki/Manichaean_script" title="Manichaean script">Manichaean</a></li> <li><a href="/wiki/Nabataean_script" title="Nabataean script">Nabataean</a></li> <li><a href="/wiki/Ancient_North_Arabian" title="Ancient North Arabian">Ancient North Arabian</a></li> <li><a href="/wiki/Pahlavi_scripts" title="Pahlavi scripts">Pahlavi</a> <ul><li><a href="/wiki/Book_Pahlavi" class="mw-redirect" title="Book Pahlavi">Book</a></li> <li><a href="/wiki/Inscriptional_Pahlavi" title="Inscriptional Pahlavi">Inscriptional</a></li> <li><a href="/wiki/Inscriptional_Parthian" title="Inscriptional Parthian">Inscriptional Parthian</a></li> <li><a href="/wiki/Psalter_Pahlavi" title="Psalter Pahlavi">Psalter</a></li></ul></li> <li><a href="/wiki/Pegon_script" title="Pegon script">Pegon</a></li> <li><a href="/wiki/Phoenician_alphabet" title="Phoenician alphabet">Phoenician</a> <ul><li><a href="/wiki/Paleo-Hebrew_alphabet" title="Paleo-Hebrew alphabet">Paleo-Hebrew</a></li></ul></li> <li><a href="/wiki/Pitman_shorthand" title="Pitman shorthand">Pitman shorthand</a></li> <li><a href="/wiki/Proto-Sinaitic_script" title="Proto-Sinaitic script">Proto-Sinaitic</a></li> <li><a href="/wiki/Punic_alphabet" class="mw-redirect" title="Punic alphabet">Punic</a></li> <li><a href="/wiki/Samaritan_script" title="Samaritan script">Samaritan</a></li> <li><a href="/wiki/Ancient_South_Arabian_script" title="Ancient South Arabian script">South Arabian</a> <ul><li><a href="/wiki/Ancient_South_Arabian_script#Zabur_script" title="Ancient South Arabian script">Zabur</a></li> <li><a href="/wiki/Ancient_South_Arabian_script#Musnad" title="Ancient South Arabian script">Musnad</a></li></ul></li> <li><a href="/wiki/Sogdian_alphabet" title="Sogdian alphabet">Sogdian</a></li> <li><a href="/wiki/Syriac_alphabet" title="Syriac alphabet">Syriac</a> <ul><li><a href="/wiki/Syriac_alphabet#Classical_ʾEsṭrangēlā" title="Syriac alphabet">ʾEsṭrangēlā</a></li> <li><a href="/wiki/Syriac_alphabet#West_Syriac_Serṭā" title="Syriac alphabet">Serṭā</a></li> <li><a href="/wiki/Syriac_alphabet#East_Syriac_Maḏnḥāyā" title="Syriac alphabet">Maḏnḥāyā</a></li></ul></li> <li><a href="/wiki/Teeline_Shorthand" class="mw-redirect" title="Teeline Shorthand">Teeline Shorthand</a></li> <li><a href="/wiki/Ugaritic_alphabet" title="Ugaritic alphabet">Ugaritic</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks mw-collapsible mw-collapsed navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><div id="Abugidas" style="font-size:114%;margin:0 4em"><a href="/wiki/Abugida" title="Abugida">Abugidas</a></div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:5em"><a href="/wiki/Brahmic_scripts" title="Brahmic scripts">Brahmic</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:5em">Northern</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Bengali%E2%80%93Assamese_script" title="Bengali–Assamese script">Bengali–Assamese</a></li> <li><a href="/wiki/Bhaiksuki_script" title="Bhaiksuki script">Bhaiksuki</a></li> <li><a href="/wiki/Brahmi_script" title="Brahmi script">Brahmi script</a></li> <li><a href="/wiki/Devanagari" title="Devanagari">Devanagari</a></li> <li><a href="/wiki/Dogri_script" title="Dogri script">Dogri</a></li> <li><a href="/wiki/Gujarati_script" title="Gujarati script">Gujarati</a></li> <li><a href="/wiki/Gupta_script" title="Gupta script">Gupta</a></li> <li><a href="/wiki/Gurmukhi" title="Gurmukhi">Gurmukhi</a></li> <li><a href="/wiki/Kaithi" title="Kaithi">Kaithi</a></li> <li><a href="/wiki/Kalinga_script" title="Kalinga script">Kalinga</a></li> <li><a href="/wiki/Khema_script" title="Khema script">Khema</a></li> <li><a href="/wiki/Khojki_script" title="Khojki script">Khojki</a></li> <li><a href="/wiki/Khudabadi_script" title="Khudabadi script">Khudabadi</a></li> <li><a href="/wiki/La%E1%B9%87%E1%B8%8D%C4%81_scripts" title="Laṇḍā scripts">Laṇḍā</a></li> <li><a href="/wiki/Lepcha_script" title="Lepcha script">Lepcha</a></li> <li><a href="/wiki/Mahajani" title="Mahajani">Mahajani</a></li> <li><a href="/wiki/Marchen_script" title="Marchen script">Marchen</a></li> <li><a href="/wiki/Meitei_script" title="Meitei script">Meitei</a></li> <li><a href="/wiki/Modi_script" title="Modi script">Modi</a></li> <li><a href="/wiki/Multani_script" title="Multani script">Multani</a></li> <li><a href="/wiki/N%C4%81gar%C4%AB_script" title="Nāgarī script">Nagari</a></li> <li><a href="/wiki/Nandinagari" title="Nandinagari">Nandinagari</a></li> <li><a href="/wiki/Nepalese_scripts" title="Nepalese scripts">Nepalese scripts</a> <ul><li><a href="/wiki/Bhujimol_script" title="Bhujimol script">Bhujimol</a></li> <li><a href="/w/index.php?title=Golmol_script&action=edit&redlink=1" class="new" title="Golmol script (page does not exist)">Golmol</a></li> <li><a href="/w/index.php?title=Himmol_script&action=edit&redlink=1" class="new" title="Himmol script (page does not exist)">Himmol</a></li> <li><a href="/w/index.php?title=Kummol_script&action=edit&redlink=1" class="new" title="Kummol script (page does not exist)">Kummol</a></li> <li><a href="/w/index.php?title=Kvemmol_script&action=edit&redlink=1" class="new" title="Kvemmol script (page does not exist)">Kvemmol</a></li> <li><a href="/w/index.php?title=Pachumol_script&action=edit&redlink=1" class="new" title="Pachumol script (page does not exist)">Pachumol</a></li> <li><a href="/wiki/Pracalit_script" title="Pracalit script">Pracalit</a></li> <li><a href="/wiki/Ranjana_script" title="Ranjana script">Ranjana</a></li> <li><a href="/wiki/Tamyig_script" class="mw-redirect" title="Tamyig script">Tamyig</a></li> <li><a href="/wiki/Tirhuta_script" title="Tirhuta script">Tirhuta</a></li> <li><a href="/wiki/Limbu_script" title="Limbu script">Limbu</a></li> <li><a href="/wiki/Nepalese_scripts" title="Nepalese scripts">Litumol</a></li></ul></li> <li><a href="/wiki/Odia_script" title="Odia script">Odia</a> <ul><li><a href="/wiki/Karani_script" title="Karani script">Karani</a></li></ul></li> <li><a href="/wiki/%CA%BCPhags-pa_script" title="ʼPhags-pa script">ʼPhags-pa</a></li> <li><a href="/wiki/Sharada_script" title="Sharada script">Sharada</a></li> <li><a href="/wiki/Siddha%E1%B9%83_script" title="Siddhaṃ script">Siddhaṃ</a></li> <li><a href="/wiki/Soyombo_script" title="Soyombo script">Soyombo</a></li> <li><a href="/wiki/Sylheti_Nagri" title="Sylheti Nagri">Sylheti Nagri</a></li> <li><a href="/wiki/Takri_script" title="Takri script">Takri</a></li> <li><a href="/wiki/Tibetan_script" title="Tibetan script">Tibetan</a> <ul><li><a href="/wiki/Uchen_script" title="Uchen script">Uchen</a></li> <li><a href="/wiki/Um%C3%AA_script" title="Umê script">Umê</a></li></ul></li> <li><a href="/wiki/Tocharian_script" title="Tocharian script">Tocharian</a></li> <li><a href="/wiki/Zanabazar_square_script" title="Zanabazar square script">Zanabazar square</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:5em">Southern</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Ahom_script" title="Ahom script">Ahom</a></li> <li><a href="/wiki/Balinese_script" title="Balinese script">Balinese</a></li> <li><a href="/wiki/Batak_script" title="Batak script">Batak</a></li> <li><a href="/wiki/Baybayin" title="Baybayin">Baybayin</a></li> <li><a href="/wiki/Bhattiprolu_script" title="Bhattiprolu script">Bhattiprolu</a></li> <li><a href="/wiki/Buda_script" title="Buda script">Buda</a></li> <li><a href="/wiki/Buhid_script" title="Buhid script">Buhid</a></li> <li><a href="/wiki/Chakma_script" title="Chakma script">Chakma</a></li> <li><a href="/wiki/Cham_script" title="Cham script">Cham</a></li> <li><a href="/wiki/Fakkham_script" title="Fakkham script">Fakkham</a></li> <li><a href="/wiki/Grantha_script" title="Grantha script">Grantha</a></li> <li><a href="/wiki/Goykanadi" title="Goykanadi">Goykanadi</a></li> <li><a href="/wiki/Hanunoo_script" title="Hanunoo script">Hanunoo</a></li> <li><a href="/wiki/Javanese_script" title="Javanese script">Javanese</a></li> <li><a href="/wiki/Kadamba_script" title="Kadamba script">Kadamba</a></li> <li><a href="/wiki/Kannada_script" title="Kannada script">Kannada</a></li> <li><a href="/wiki/S%27gaw_Karen_alphabet" title="S'gaw Karen alphabet">Karen</a></li> <li><a href="/wiki/Kawi_script" title="Kawi script">Kawi</a></li> <li><a href="/wiki/Khmer_script" title="Khmer script">Khmer</a> <ul><li><a href="/wiki/Khom_Thai_script" title="Khom Thai script">Khom Thai</a></li></ul></li> <li><a href="/wiki/Kulitan" title="Kulitan">Kulitan</a></li> <li><a href="/wiki/Tai_Tham_script" title="Tai Tham script">Lanna</a></li> <li><a href="/wiki/Langdi" title="Langdi">Langdi</a></li> <li><a href="/wiki/Lao_script" title="Lao script">Lao</a></li> <li><a href="/wiki/Leke_script" title="Leke script">Leke</a></li> <li><a href="/wiki/Lontara_script" title="Lontara script">Lontara</a> <ul><li><a href="/wiki/Lontara_Bilang-bilang_script" title="Lontara Bilang-bilang script">Bilang-bilang</a></li></ul></li> <li><a href="/wiki/Makasar_script" title="Makasar script">Makasar</a></li> <li><a href="/wiki/Malayalam_script" title="Malayalam script">Malayalam</a></li> <li><a href="/wiki/Maldivian_writing_systems" title="Maldivian writing systems">Old Maldivian</a> <ul><li><a href="/wiki/Dhives_Akuru" title="Dhives Akuru">Dhives Akuru</a></li> <li><a href="/wiki/Eveyla_Akuru" class="mw-redirect" title="Eveyla Akuru">Eveyla Akuru</a></li></ul></li> <li><a href="/wiki/Mon%E2%80%93Burmese_script" title="Mon–Burmese script">Mon–Burmese</a></li> <li><a href="/wiki/Pallava_script" title="Pallava script">Pallava</a></li> <li><a href="/wiki/Pyu_script" title="Pyu script">Pyu</a></li> <li><a href="/wiki/Saurashtra_script" title="Saurashtra script">Saurashtra</a></li> <li><a href="/wiki/Shan_alphabet" title="Shan alphabet">Shan</a></li> <li><a href="/wiki/Sinhala_script" title="Sinhala script">Sinhala</a></li> <li><a href="/wiki/Sukhothai_script" title="Sukhothai script">Sukhothai</a></li> <li><a href="/wiki/Sundanese_script" title="Sundanese script">Sundanese</a> <ul><li><a href="/wiki/Old_Sundanese_script" title="Old Sundanese script">Old Sundanese</a></li></ul></li> <li><a href="/wiki/Tagbanwa_script" title="Tagbanwa script">Tagbanwa</a></li> <li><a href="/wiki/Tai_Le_script" title="Tai Le script">Tai Le</a></li> <li><a href="/wiki/New_Tai_Lue_alphabet" title="New Tai Lue alphabet">New Tai Lue</a></li> <li><a href="/wiki/Tai_Noi_script" title="Tai Noi script">Tai Noi</a></li> <li><a href="/wiki/Tai_Tham_script" title="Tai Tham script">Tai Tham</a></li> <li><a href="/wiki/Tai_Viet_script" title="Tai Viet script">Tai Viet</a></li> <li><a href="/wiki/Lai_Tay_script" title="Lai Tay script">Lai Tay</a></li> <li><a href="/wiki/Tamil_script" title="Tamil script">Tamil</a></li> <li><a href="/wiki/Tamil-Brahmi" title="Tamil-Brahmi">Tamil-Brahmi</a></li> <li><a href="/wiki/Tanchangya_script" title="Tanchangya script">Tanchangya</a></li> <li><a href="/wiki/Telugu_script" title="Telugu script">Telugu</a></li> <li><a href="/wiki/Thai_script" title="Thai script">Thai</a></li> <li><a href="/wiki/Tigalari_script" title="Tigalari script">Tigalari</a></li> <li><a href="/wiki/Ulu_scripts" title="Ulu scripts">Ulu scripts</a> <ul><li><a href="/w/index.php?title=Incung_script&action=edit&redlink=1" class="new" title="Incung script (page does not exist)">Incung</a></li> <li><a href="/wiki/Lampung_script" class="mw-redirect" title="Lampung script">Lampung</a></li> <li><a href="/w/index.php?title=Lembak_script&action=edit&redlink=1" class="new" title="Lembak script (page does not exist)">Lembak</a></li> <li><a href="/w/index.php?title=Ogan_script&action=edit&redlink=1" class="new" title="Ogan script (page does not exist)">Ogan</a></li> <li><a href="/w/index.php?title=Pasemah_script&action=edit&redlink=1" class="new" title="Pasemah script (page does not exist)">Pasemah</a></li> <li><a href="/wiki/Rejang_script" class="mw-redirect" title="Rejang script">Rejang</a></li> <li><a href="/w/index.php?title=Serawai_script&action=edit&redlink=1" class="new" title="Serawai script (page does not exist)">Serawai</a></li></ul></li> <li><a href="/wiki/Vatteluttu" title="Vatteluttu">Vatteluttu</a> <ul><li><a href="/wiki/Kolezhuthu" class="mw-redirect" title="Kolezhuthu">Kolezhuthu</a></li> <li><a href="/wiki/Malayanma" title="Malayanma">Malayanma</a></li></ul></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:5em">Others</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Bharati_script" title="Bharati script">Bharati</a></li> <li><a href="/wiki/Boyd%27s_syllabic_shorthand" title="Boyd's syllabic shorthand">Boyd's syllabic shorthand</a></li> <li><a href="/wiki/Canadian_Aboriginal_syllabics" title="Canadian Aboriginal syllabics">Canadian syllabics</a> <ul><li><a href="/wiki/Blackfoot_language#Writing_system" title="Blackfoot language">Blackfoot</a></li> <li><a href="/wiki/Carrier_syllabics" title="Carrier syllabics">Déné syllabics</a></li></ul></li> <li><a href="/wiki/Dham_script" title="Dham script">Dham</a></li> <li><a href="/wiki/Fox_language#Writing_systems" title="Fox language">Fox I</a></li> <li><a href="/wiki/Ge%CA%BDez_script" title="Geʽez script">Geʽez</a></li> <li><a href="/wiki/Gunjala_Gondi_script" title="Gunjala Gondi script">Gunjala Gondi</a></li> <li><a href="/wiki/Japanese_Braille" title="Japanese Braille">Japanese Braille</a></li> <li><a href="/wiki/Sarati" title="Sarati">Sarati</a></li> <li><a href="/wiki/Sunwar_language#Writing_Systems" title="Sunwar language">Jenticha</a></li> <li><a href="/wiki/Kharosthi" title="Kharosthi">Kharosthi</a></li> <li><a href="/wiki/Mandombe_script" title="Mandombe script">Mandombe</a></li> <li><a href="/wiki/Gondi_writing" title="Gondi writing">Masaram Gondi</a></li> <li><a href="/wiki/Meroitic_script" title="Meroitic script">Meroitic</a></li> <li><a href="/wiki/Pollard_script" title="Pollard script">Miao</a></li> <li><a href="/wiki/Mwangwego_script" title="Mwangwego script">Mwangwego</a></li> <li><a href="/wiki/Pahawh_Hmong" title="Pahawh Hmong">Pahawh Hmong</a></li> <li><a href="/wiki/Sorang_Sompeng_script" title="Sorang Sompeng script">Sorang Sompeng</a></li> <li><a href="/wiki/Tengwar" title="Tengwar">Tengwar</a></li> <li><a href="/wiki/Thaana" title="Thaana">Thaana</a></li> <li><a href="/wiki/Thomas_Natural_Shorthand" title="Thomas Natural Shorthand">Thomas Natural Shorthand</a></li> <li><a href="/wiki/Warang_Citi" title="Warang Citi">Warang Citi</a></li> <li><a href="/wiki/Mwangwego_script" title="Mwangwego script">Mwangwego</a></li> <li><a href="/wiki/Qiang_language" title="Qiang language">Rma</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks mw-collapsible mw-collapsed navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><div id="Alphabets" style="font-size:114%;margin:0 4em"><a href="/wiki/Alphabet" title="Alphabet">Alphabets</a></div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:10em">Linear</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Adlam_script" title="Adlam script">Adlam</a></li> <li><a href="/wiki/Ariyaka_script" title="Ariyaka script">Ariyaka</a></li> <li><a href="/wiki/Armenian_alphabet" title="Armenian alphabet">Armenian</a></li> <li><a href="/wiki/Avestan_alphabet" title="Avestan alphabet">Avestan</a> <ul><li><a href="/wiki/Pazend" title="Pazend">Pazend</a></li></ul></li> <li><a href="/wiki/Avoiuli" title="Avoiuli">Avoiuli</a></li> <li><a href="/wiki/Bassa_Vah_script" class="mw-redirect" title="Bassa Vah script">Bassa Vah</a></li> <li><a href="/wiki/Carian_alphabets" title="Carian alphabets">Carian</a></li> <li><a href="/wiki/Caucasian_Albanian_script" title="Caucasian Albanian script">Caucasian Albanian</a></li> <li><a href="/wiki/Cirth" title="Cirth">Cirth</a></li> <li><a href="/wiki/Coelbren_y_Beirdd" title="Coelbren y Beirdd">Coelbren</a></li> <li><a href="/wiki/Coorgi%E2%80%93Cox_alphabet" title="Coorgi–Cox alphabet">Coorgi–Cox alphabet</a></li> <li><a href="/wiki/Coptic_alphabet" class="mw-redirect" title="Coptic alphabet">Coptic</a></li> <li><a href="/wiki/Cyrillic_script" title="Cyrillic script">Cyrillic</a> <ul><li><a href="/wiki/Bosnian_Cyrillic" title="Bosnian Cyrillic">Bosnian</a></li> <li><a href="/wiki/Early_Cyrillic_alphabet" title="Early Cyrillic alphabet">Early</a></li></ul></li> <li><a href="/wiki/Deseret_alphabet" title="Deseret alphabet">Deseret</a></li> <li><a href="/wiki/Duployan_shorthand" title="Duployan shorthand">Duployan shorthand</a> <ul><li><a href="/wiki/Duployan_shorthand#Chinook_writing" title="Duployan shorthand">Chinook</a></li></ul></li> <li><a href="/wiki/Eclectic_shorthand" title="Eclectic shorthand">Eclectic shorthand</a></li> <li><a href="/wiki/Elbasan_script" class="mw-redirect" title="Elbasan script">Elbasan</a></li> <li><a href="/wiki/Enochian" title="Enochian">Enochian</a></li> <li><a href="/wiki/Etruscan_alphabet" title="Etruscan alphabet">Etruscan</a></li> <li><a href="/wiki/George_Psalmanazar#Pseudo-lexicographer" title="George Psalmanazar">Formosan</a></li> <li><a href="/wiki/Fox_language#Writing_systems" title="Fox language">Fox II</a></li> <li><a href="/wiki/Fraser_script" title="Fraser script">Fraser</a></li> <li><a href="/wiki/Gabelsberger_shorthand" title="Gabelsberger shorthand">Gabelsberger shorthand</a></li> <li><a href="/wiki/Gadabuursi_Somali_script" class="mw-redirect" title="Gadabuursi Somali script">Gadabuursi</a></li> <li><a href="/wiki/Garay_alphabet" title="Garay alphabet">Garay alphabet</a></li> <li><a href="/wiki/Georgian_scripts" title="Georgian scripts">Georgian</a> <ul><li><a href="/wiki/Asomtavruli" class="mw-redirect" title="Asomtavruli">Asomtavruli</a></li> <li><a href="/wiki/Nuskhuri" class="mw-redirect" title="Nuskhuri">Nuskhuri</a></li> <li><a href="/wiki/Mkhedruli" class="mw-redirect" title="Mkhedruli">Mkhedruli</a></li></ul></li> <li><a href="/wiki/Veso_Bey_alphabet" title="Veso Bey alphabet">Veso Bey</a></li> <li><a href="/wiki/Glagolitic_script" title="Glagolitic script">Glagolitic</a></li> <li><a href="/wiki/Gothic_alphabet" title="Gothic alphabet">Gothic</a></li> <li><a href="/wiki/Gregg_shorthand" title="Gregg shorthand">Gregg shorthand</a></li> <li><a href="/wiki/Greek_alphabet" title="Greek alphabet">Greek</a> (<a href="/wiki/Archaic_Greek_alphabets" title="Archaic Greek alphabets">Archaic</a>)</li> <li><a href="/wiki/Greco-Iberian_alphabet" title="Greco-Iberian alphabet">Greco-Iberian alphabet</a></li> <li><a href="/wiki/Hangul" title="Hangul">Hangul</a></li> <li><a href="/wiki/Hanifi_Rohingya_script" title="Hanifi Rohingya script">Hanifi</a></li> <li><a href="/wiki/Sunwar_language#Writing_Systems" title="Sunwar language">Jenticha</a></li> <li><a href="/wiki/Kaddare_script" class="mw-redirect" title="Kaddare script">Kaddare</a></li> <li><a href="/wiki/Kayah_Li_alphabet" title="Kayah Li alphabet">Kayah Li</a></li> <li><a href="/wiki/Klingon_scripts" title="Klingon scripts">Klingon</a></li> <li><a href="/wiki/Latin_script" title="Latin script">Latin</a> <ul><li><a href="/wiki/Beneventan_script" title="Beneventan script">Beneventan</a></li> <li><a href="/wiki/Blackletter" title="Blackletter">Blackletter</a></li> <li><a href="/wiki/Carolingian_minuscule" title="Carolingian minuscule">Carolingian minuscule</a></li> <li><a href="/wiki/Fraktur" title="Fraktur">Fraktur</a></li> <li><a href="/wiki/Gaelic_type" title="Gaelic type">Gaelic</a></li> <li><a href="/wiki/Insular_script" title="Insular script">Insular</a></li> <li><a href="/wiki/Interlac" class="mw-redirect" title="Interlac">Interlac</a></li> <li><a href="/wiki/International_Phonetic_Alphabet" title="International Phonetic Alphabet">IPA</a></li> <li><a href="/wiki/Kurrent" title="Kurrent">Kurrent</a></li> <li><a href="/wiki/Merovingian_script" title="Merovingian script">Merovingian</a></li> <li><a href="/wiki/Scribal_abbreviation" title="Scribal abbreviation">Sigla</a></li> <li><a href="/wiki/S%C3%BCtterlin" title="Sütterlin">Sütterlin</a></li> <li><a href="/wiki/Tironian_notes" title="Tironian notes">Tironian notes</a></li> <li><a href="/wiki/Visigothic_script" title="Visigothic script">Visigothic</a></li></ul></li> <li><a href="/wiki/Luo_script" title="Luo script">Luo</a></li> <li><a href="/wiki/Lycian_alphabet" title="Lycian alphabet">Lycian</a></li> <li><a href="/wiki/Lydian_alphabet" title="Lydian alphabet">Lydian</a></li> <li><a href="/wiki/Manchu_alphabet" title="Manchu alphabet">Manchu</a></li> <li><a href="/wiki/Medefaidrin" title="Medefaidrin">Medefaidrin</a></li> <li><a href="/wiki/Molodtsov_alphabet" class="mw-redirect" title="Molodtsov alphabet">Molodtsov</a></li> <li><a href="/wiki/Mru_language#Script" title="Mru language">Mru</a></li> <li><a href="/wiki/Mundari_Bani" title="Mundari Bani">Mundari Bani</a></li> <li><a href="/wiki/N%27Ko_script" title="N'Ko script">N'Ko</a></li> <li><a href="/wiki/Ogham" title="Ogham">Ogham</a></li> <li><a href="/wiki/Ol_Chiki_script" title="Ol Chiki script">Ol Chiki</a></li> <li><a href="/wiki/Old_Hungarian_script" title="Old Hungarian script">Old Hungarian</a></li> <li><a href="/wiki/Old_Italic_scripts" title="Old Italic scripts">Old Italic</a></li> <li><a href="/wiki/Old_Permic_script" title="Old Permic script">Old Permic</a></li> <li><a href="/wiki/Old_Turkic_script" title="Old Turkic script">Orkhon</a></li> <li><a href="/wiki/Old_Uyghur_alphabet" title="Old Uyghur alphabet">Old Uyghur</a> <ul><li><a href="/wiki/Mongolian_script" title="Mongolian script">Mongolian</a> <ul><li><a href="/wiki/Evenki_alphabet" class="mw-redirect" title="Evenki alphabet">Evenki</a></li> <li><a href="/wiki/Galik_alphabet" title="Galik alphabet">Galik alphabet</a></li> <li><a href="/wiki/Manchu_alphabet" title="Manchu alphabet">Manchu</a></li> <li><a href="/wiki/Clear_Script" title="Clear Script">Oirat</a></li> <li><a href="/wiki/Vagindra_script" title="Vagindra script">Vagindra</a></li></ul></li></ul></li> <li><a href="/wiki/Ol_Onal" title="Ol Onal">Ol Onal</a></li> <li><a href="/wiki/Osage_script" title="Osage script">Osage</a></li> <li><a href="/wiki/Osmanya_script" class="mw-redirect" title="Osmanya script">Osmanya</a></li> <li><a href="/wiki/Pau_Cin_Hau_script" title="Pau Cin Hau script">Pau Cin Hau</a></li> <li><a href="/wiki/Phrygian_alphabet" title="Phrygian alphabet">Phrygian</a></li> <li><a href="/wiki/Pisidian_language" title="Pisidian language">Pisidian</a></li> <li><a href="/wiki/Runes" class="mw-redirect" title="Runes">Runic</a> <ul><li><a href="/wiki/Anglo-Saxon_runes" title="Anglo-Saxon runes">Anglo-Saxon</a></li> <li><a href="/wiki/Cipher_runes" title="Cipher runes">Cipher</a></li> <li><a href="/wiki/Dalecarlian_runes" title="Dalecarlian runes">Dalecarlian</a></li> <li><a href="/wiki/Elder_Futhark" title="Elder Futhark">Elder Futhark</a></li> <li><a href="/wiki/Younger_Futhark" title="Younger Futhark">Younger Futhark</a></li> <li><a href="/wiki/Gothic_runic_inscriptions" title="Gothic runic inscriptions">Gothic</a></li> <li><a href="/wiki/Marcomannic_runes" class="mw-redirect" title="Marcomannic runes">Marcomannic</a></li> <li><a href="/wiki/Medieval_runes" title="Medieval runes">Medieval</a></li> <li><a href="/wiki/Staveless_runes" title="Staveless runes">Staveless</a></li></ul></li> <li><a href="/wiki/Shavian_alphabet" title="Shavian alphabet">Shavian</a></li> <li><a href="/wiki/Sidetic_language" title="Sidetic language">Sidetic</a></li> <li><a href="/wiki/Sorang_Sompeng_script" title="Sorang Sompeng script">Sorang Sompeng</a></li> <li><a href="/wiki/Sunuwar_alphabet" title="Sunuwar alphabet">Sunuwar</a></li> <li><a href="/wiki/Tifinagh" title="Tifinagh">Tifinagh</a></li> <li><a href="/wiki/Todhri_script" class="mw-redirect" title="Todhri script">Todhri</a></li> <li><a href="/wiki/Kurukh_language#Writing_systems" title="Kurukh language">Tolong Siki</a></li> <li><a href="/wiki/Vellara_alphabet" title="Vellara alphabet">Vellara</a></li> <li><a href="/wiki/Visible_Speech" title="Visible Speech">Visible Speech</a></li> <li><a href="/wiki/Vithkuqi_script" class="mw-redirect" title="Vithkuqi script">Vithkuqi</a></li> <li><a href="/wiki/Wancho_language#Orthography" title="Wancho language">Wancho</a></li> <li><a href="/wiki/Warang_Citi" title="Warang Citi">Warang Citi</a></li> <li><a href="/wiki/Kurdish_alphabets#Yezidi" title="Kurdish alphabets">Yezidi</a></li> <li><a href="/wiki/Zaghawa_script" class="mw-redirect" title="Zaghawa script">Zaghawa</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em">Non-linear</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Braille" title="Braille">Braille</a></li> <li><a href="/wiki/International_maritime_signal_flags" title="International maritime signal flags">Maritime flags</a></li> <li><a href="/wiki/Telegraph_code" title="Telegraph code">Telegraph code</a></li> <li><a href="/wiki/New_York_Point" title="New York Point">New York Point</a></li> <li><a href="/wiki/Flag_semaphore" title="Flag semaphore">Flag semaphore</a></li> <li><a href="/wiki/Moon_type" title="Moon type">Moon type</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks mw-collapsible mw-collapsed navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><div id="Ideograms" style="font-size:114%;margin:0 4em"><a href="/wiki/Ideogram" title="Ideogram">Ideograms</a></div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Adinkra_symbols" title="Adinkra symbols">Adinkra</a></li> <li><a href="/wiki/Aztec_script" title="Aztec script">Aztec</a></li> <li><a href="/wiki/Blissymbols" title="Blissymbols">Blissymbols</a></li> <li><a href="/wiki/Dongba_symbols" title="Dongba symbols">Dongba</a></li> <li><a href="/wiki/Ersu_Shaba_script" title="Ersu Shaba script">Ersu Shaba</a></li> <li><a href="/wiki/Emoji" title="Emoji">Emoji</a></li> <li><a href="/wiki/Isotype_(picture_language)" title="Isotype (picture language)">Isotype</a></li> <li><a href="/wiki/Kaid%C4%81_glyphs" title="Kaidā glyphs">Kaidā</a></li> <li><a href="/wiki/Mi%EA%9E%8Ckmaw_hieroglyphic_writing" class="mw-redirect" title="Miꞌkmaw hieroglyphic writing">Miꞌkmaw</a></li> <li><a href="/wiki/Mixtec_writing" title="Mixtec writing">Mixtec</a></li> <li><a href="/wiki/New_Epoch_Notation_Painting" class="mw-redirect" title="New Epoch Notation Painting">New Epoch Notation Painting</a></li> <li><a href="/wiki/Nsibidi" title="Nsibidi">Nsibidi</a></li> <li><a href="/wiki/Ojibwe_writing_systems#Ojibwe_"hieroglyphs"" title="Ojibwe writing systems">Ojibwe Hieroglyphs</a></li> <li><a href="/wiki/Olmec_hieroglyphs" title="Olmec hieroglyphs">Olmec</a></li> <li><a href="/wiki/Siglas_poveiras" title="Siglas poveiras">Siglas poveiras</a></li> <li><a href="/wiki/Testerian" title="Testerian">Testerian</a></li> <li><a href="/wiki/Yerkish" title="Yerkish">Yerkish</a></li> <li><a href="/wiki/Zapotec_script" title="Zapotec script">Zapotec</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks mw-collapsible mw-collapsed navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><div id="Logograms" style="font-size:114%;margin:0 4em"><a href="/wiki/Logogram" title="Logogram">Logograms</a></div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:10em"><a href="/wiki/Chinese_family_of_scripts" title="Chinese family of scripts">Chinese family of scripts</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:10em"><a href="/wiki/Chinese_characters" title="Chinese characters">Chinese characters</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Simplified_Chinese_characters" title="Simplified Chinese characters">Simplified</a></li> <li><a href="/wiki/Traditional_Chinese_characters" title="Traditional Chinese characters">Traditional</a></li> <li><a href="/wiki/Oracle_bone_script" title="Oracle bone script">Oracle bone script</a></li> <li><a href="/wiki/Chinese_bronze_inscriptions" title="Chinese bronze inscriptions">Bronze scripts</a></li> <li><a href="/wiki/Seal_script" title="Seal script">Seal script</a> <ul><li><a href="/wiki/Large_seal_script" title="Large seal script">large</a></li> <li><a href="/wiki/Small_seal_script" title="Small seal script">small</a></li> <li><a href="/wiki/Bird-worm_seal_script" title="Bird-worm seal script">bird-worm</a></li></ul></li> <li><a href="/wiki/Hanja" title="Hanja">Hanja</a></li> <li><a href="/wiki/Kanji" title="Kanji">Kanji</a></li> <li><a href="/wiki/Ch%E1%BB%AF_N%C3%B4m" title="Chữ Nôm">Chữ Nôm</a></li> <li><a href="/wiki/Sawndip" title="Sawndip">Sawndip</a></li> <li><a href="/wiki/Bowen_script" class="mw-redirect" title="Bowen script">Bowen</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em">Chinese-influenced</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Jurchen_script" title="Jurchen script">Jurchen</a></li> <li><a href="/wiki/Khitan_large_script" title="Khitan large script">Khitan large script</a></li> <li><a href="/wiki/Sui_script" title="Sui script">Sui</a></li> <li><a href="/wiki/Tangut_script" title="Tangut script">Tangut</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em"><a href="/wiki/Cuneiform" title="Cuneiform">Cuneiform</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Akkadian_cuneiform" class="mw-redirect" title="Akkadian cuneiform">Akkadian</a></li> <li><a href="/wiki/Assyrian_cuneiform" class="mw-redirect" title="Assyrian cuneiform">Assyrian</a></li> <li><a href="/wiki/Elamite_cuneiform" title="Elamite cuneiform">Elamite</a></li> <li><a href="/wiki/Hittite_cuneiform" title="Hittite cuneiform">Hittite</a></li> <li><a href="/wiki/Cuneiform_Luwian" class="mw-redirect" title="Cuneiform Luwian">Luwian</a></li> <li><a href="/wiki/Cuneiform" title="Cuneiform">Sumerian</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em">Other logosyllabic</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Anatolian_hieroglyphs" title="Anatolian hieroglyphs">Anatolian</a></li> <li><a href="/wiki/Bagam_script" title="Bagam script">Bagam</a></li> <li><a href="/wiki/Cretan_hieroglyphs" title="Cretan hieroglyphs">Cretan</a></li> <li><a href="/wiki/Isthmian_script" title="Isthmian script">Isthmian</a></li> <li><a href="/wiki/Maya_script" title="Maya script">Maya</a></li> <li><a href="/wiki/Proto-Elamite_script" title="Proto-Elamite script">Proto-Elamite</a></li> <li><a href="/wiki/Tenevil" title="Tenevil">Tenevil</a></li> <li><a href="/wiki/Yi_script#Classical_Yi" title="Yi script">Yi (Classical)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em">Logoconsonantal</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Demotic_(Egyptian)" title="Demotic (Egyptian)">Demotic</a></li> <li><a href="/wiki/Hieratic" title="Hieratic">Hieratic</a></li> <li><a href="/wiki/Egyptian_hieroglyphs" title="Egyptian hieroglyphs">Hieroglyphs</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em">Numerals</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Hindu%E2%80%93Arabic_numeral_system" title="Hindu–Arabic numeral system">Hindu-Arabic</a></li> <li><a href="/wiki/Abjad_numerals" title="Abjad numerals">Abjad</a></li> <li><a href="/wiki/Attic_numerals" title="Attic numerals">Attic (Greek)</a></li> <li><a href="/wiki/Muisca_numerals" title="Muisca numerals">Muisca</a></li> <li><a href="/wiki/Roman_numerals" title="Roman numerals">Roman</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em">Other</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Sitelen_Pona" title="Sitelen Pona">Sitelen Pona</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks mw-collapsible mw-collapsed navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><div id="Semi-syllabaries" style="font-size:114%;margin:0 4em"><a href="/wiki/Semi-syllabaries" class="mw-redirect" title="Semi-syllabaries">Semi-syllabaries</a></div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:10em">Full</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Linear_Elamite" title="Linear Elamite">Linear Elamite</a></li> <li><a href="/wiki/Celtiberian_script" title="Celtiberian script">Celtiberian</a></li> <li><a href="/wiki/Northeastern_Iberian_script" title="Northeastern Iberian script">Northeastern Iberian</a></li> <li><a href="/wiki/Southeastern_Iberian_script" title="Southeastern Iberian script">Southeastern Iberian</a></li> <li><a href="/wiki/Khom_script_(Ong_Kommadam)" title="Khom script (Ong Kommadam)">Khom</a></li> <li><a href="/wiki/Dunging_script" title="Dunging script">Dunging</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em">Redundant</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Espanca_script" title="Espanca script">Espanca script</a></li> <li><a href="/wiki/Pahawh_Hmong" title="Pahawh Hmong">Pahawh Hmong</a></li> <li><a href="/wiki/Khitan_small_script" title="Khitan small script">Khitan small script</a></li> <li><a href="/wiki/Southwest_Paleohispanic_script" title="Southwest Paleohispanic script">Southwest Paleohispanic</a></li> <li><a href="/wiki/Bopomofo" title="Bopomofo">Bopomofo</a></li> <li><a href="/wiki/History_of_writing_in_Vietnam#Quốc_Âm_Tân_Tự" title="History of writing in Vietnam">Quốc Âm Tân Tự</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks mw-collapsible mw-collapsed navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><div id="Sign_languages" style="font-size:114%;margin:0 4em"><a href="/wiki/Sign_language" title="Sign language">Sign languages</a></div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/ASLwrite" title="ASLwrite">ASLwrite</a></li> <li><a href="/wiki/SignWriting" title="SignWriting">SignWriting</a></li> <li><a href="/wiki/Si5s" title="Si5s">si5s</a></li> <li><a href="/wiki/Stokoe_notation" title="Stokoe notation">Stokoe notation</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks mw-collapsible mw-collapsed navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><div id="Syllabaries" style="font-size:114%;margin:0 4em"><a href="/wiki/Syllabary" title="Syllabary">Syllabaries</a></div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Afaka_syllabary" title="Afaka syllabary">Afaka</a></li> <li><a href="/wiki/Bamum_script" title="Bamum script">Bamum</a></li> <li><a href="/wiki/B%C3%A9t%C3%A9_syllabary" title="Bété syllabary">Bété</a></li> <li><a href="/wiki/Byblos_syllabary" title="Byblos syllabary">Byblos</a></li> <li><a href="/wiki/Canadian_Aboriginal_syllabics" title="Canadian Aboriginal syllabics">Canadian Aboriginal</a></li> <li><a href="/wiki/Cherokee_syllabary" title="Cherokee syllabary">Cherokee</a></li> <li><a href="/wiki/Cypriot_syllabary" title="Cypriot syllabary">Cypriot</a></li> <li><a href="/wiki/Cypro-Minoan_syllabary" title="Cypro-Minoan syllabary">Cypro-Minoan</a></li> <li><a href="/wiki/Ditema_tsa_Dinoko" title="Ditema tsa Dinoko">Ditema tsa Dinoko</a></li> <li><a href="/wiki/Eskayan_script" title="Eskayan script">Eskayan</a></li> <li><a href="/wiki/Geba_syllabary" title="Geba syllabary">Geba</a></li> <li><a href="/wiki/Great_Lakes_Algonquian_syllabics" title="Great Lakes Algonquian syllabics">Great Lakes Algonquian</a></li> <li><a href="/wiki/Iban_language#Alphabet" title="Iban language">Iban</a></li> <li><a href="/wiki/Idu_script" title="Idu script">Idu</a></li> <li><a href="/wiki/Kana" title="Kana">Kana</a> <ul><li><a href="/wiki/Hiragana" title="Hiragana">Hiragana</a></li> <li><a href="/wiki/Katakana" title="Katakana">Katakana</a></li> <li><a href="/wiki/Man%27y%C5%8Dgana" title="Man'yōgana">Man'yōgana</a></li> <li><a href="/wiki/Hentaigana" title="Hentaigana">Hentaigana</a></li> <li><a href="/wiki/S%C5%8Dgana" title="Sōgana">Sōgana</a></li> <li><a href="/wiki/Jindai_moji" title="Jindai moji">Jindai moji</a></li></ul></li> <li><a href="/wiki/Mende_Kikakui_script" title="Mende Kikakui script">Kikakui</a></li> <li><a href="/wiki/Kpelle_syllabary" title="Kpelle syllabary">Kpelle</a></li> <li><a href="/wiki/Linear_B" title="Linear B">Linear B</a></li> <li><a href="/wiki/Linear_Elamite" title="Linear Elamite">Linear Elamite</a></li> <li><a href="/wiki/Lisu_language#Lisu_syllabary" title="Lisu language">Lisu</a></li> <li><a href="/wiki/Loma_language#writing_systems" title="Loma language">Loma</a></li> <li><a href="/wiki/N%C3%BCshu" title="Nüshu">Nüshu</a></li> <li><a href="/wiki/Nwagu_Aneke_script" title="Nwagu Aneke script">Nwagu Aneke script</a></li> <li><a href="/wiki/Old_Persian_cuneiform" title="Old Persian cuneiform">Old Persian cuneiform</a></li> <li><a href="/wiki/Cuneiform" title="Cuneiform">Sumerian</a></li> <li><a href="/wiki/Vai_syllabary" title="Vai syllabary">Vai</a></li> <li><a href="/wiki/Woleai_script" title="Woleai script">Woleai</a></li> <li><a href="/wiki/Yi_script#Modern_Yi" title="Yi script">Yi</a></li> <li><a href="/wiki/Yugtun_script" title="Yugtun script">Yugtun</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks mw-collapsible autocollapse navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Braille" title="Template:Braille"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Braille" title="Template talk:Braille"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Braille" title="Special:EditPage/Template:Braille"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Braille_⠃⠗⠁⠊⠇⠇⠑" style="font-size:114%;margin:0 4em"><a href="/wiki/Braille" title="Braille">Braille</a><span style="padding-left:0.5em;"> </span>⠃⠗⠁⠊⠇⠇⠑</div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%">Braille cell</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><span class="nowrap"><a href="/wiki/1829_braille" title="1829 braille">1829 braille</a></span></li> <li><span class="nowrap"><a href="/wiki/International_uniformity_of_braille_alphabets" title="International uniformity of braille alphabets">International uniformity</a></span></li> <li><span class="nowrap"><a href="/wiki/Braille_ASCII" title="Braille ASCII">ASCII braille</a></span></li> <li><span class="nowrap"><a href="/wiki/Braille_Patterns" title="Braille Patterns">Unicode braille patterns</a></span></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Braille scripts</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Category:French-ordered_braille_alphabets" title="Category:French-ordered braille alphabets">French-ordered</a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><span class="nowrap"><a href="/wiki/Albanian_Braille" title="Albanian Braille">Albanian</a></span></li> <li><span class="nowrap"><a href="/wiki/Azeri_Braille" class="mw-redirect" title="Azeri Braille">Azerbaijani</a></span></li> <li><span class="nowrap"><a href="/wiki/Cantonese_Braille" title="Cantonese Braille">Cantonese</a></span></li> <li><span class="nowrap"><a href="/wiki/Catalan_Braille" title="Catalan Braille">Catalan</a></span></li> <li><span class="nowrap"><a href="/wiki/Mainland_Chinese_Braille" title="Mainland Chinese Braille">Chinese (mainland Mandarin)</a> (largely reassigned)</span></li> <li><span class="nowrap"><a href="/wiki/Czech_Braille" title="Czech Braille">Czech</a></span></li> <li><span class="nowrap"><a href="/wiki/Dutch_Braille" title="Dutch Braille">Dutch</a></span></li> <li><span class="nowrap"><a href="/wiki/English_Braille" title="English Braille">English</a> (<a href="/wiki/Unified_English_Braille" title="Unified English Braille">Unified English</a>)</span></li> <li><span class="nowrap"><a href="/wiki/Esperanto_Braille" title="Esperanto Braille">Esperanto</a></span></li> <li><span class="nowrap"><a href="/wiki/French_Braille" title="French Braille">French</a></span></li> <li><span class="nowrap"><a href="/wiki/German_Braille" title="German Braille">German</a></span></li> <li><span class="nowrap"><a href="/wiki/Ghanaian_braille" title="Ghanaian braille">Ghanaian</a></span></li> <li><span class="nowrap"><a href="/wiki/Guarani_Braille" title="Guarani Braille">Guarani</a></span></li> <li><span class="nowrap"><a href="/wiki/Hawaiian_Braille" title="Hawaiian Braille">Hawaiian</a></span></li> <li><span class="nowrap"><a href="/wiki/Hungarian_Braille" title="Hungarian Braille">Hungarian</a></span></li> <li><span class="nowrap"><a href="/wiki/I%C3%B1upiaq_Braille" title="Iñupiaq Braille">Iñupiaq</a></span></li> <li><span class="nowrap"><a href="/wiki/IPA_Braille" title="IPA Braille">IPA</a></span></li> <li><span class="nowrap"><a href="/wiki/Irish_Braille" title="Irish Braille">Irish</a></span></li> <li><span class="nowrap"><a href="/wiki/Italian_Braille" title="Italian Braille">Italian</a></span></li> <li><span class="nowrap"><a href="/wiki/Latvian_Braille" title="Latvian Braille">Latvian</a></span></li> <li><span class="nowrap"><a href="/wiki/Lithuanian_Braille" title="Lithuanian Braille">Lithuanian</a></span></li> <li><span class="nowrap"><a href="/wiki/Luxembourgish_Braille" title="Luxembourgish Braille">Luxembourgish</a> (extended to 8-dot)</span></li> <li><span class="nowrap"><a href="/wiki/Maltese_Braille" title="Maltese Braille">Maltese</a></span></li> <li><span class="nowrap"><a href="/wiki/M%C4%81ori_Braille" title="Māori Braille">Māori</a></span></li> <li><span class="nowrap"><a href="/wiki/Navajo_Braille" title="Navajo Braille">Navajo</a></span></li> <li><span class="nowrap"><a href="/wiki/Nigerian_braille" title="Nigerian braille">Nigerian</a></span></li> <li><span class="nowrap"><a href="/wiki/Philippine_Braille" title="Philippine Braille">Philippine</a></span></li> <li><span class="nowrap"><a href="/wiki/Polish_Braille" title="Polish Braille">Polish</a></span></li> <li><span class="nowrap"><a href="/wiki/Portuguese_Braille" title="Portuguese Braille">Portuguese</a></span></li> <li><span class="nowrap"><a href="/wiki/Romanian_Braille" title="Romanian Braille">Romanian</a></span></li> <li><span class="nowrap"><a href="/wiki/Samoan_Braille" title="Samoan Braille">Samoan</a></span></li> <li><span class="nowrap"><a href="/wiki/Slovak_Braille" title="Slovak Braille">Slovak</a></span></li> <li><span class="nowrap"><a href="/wiki/South_African_braille" title="South African braille">South African</a></span></li> <li><span class="nowrap"><a href="/wiki/Spanish_Braille" title="Spanish Braille">Spanish</a></span></li> <li><span class="nowrap"><a href="/wiki/Taiwanese_Braille" title="Taiwanese Braille">Taiwanese Mandarin</a> (largely reassigned)</span></li> <li><span class="nowrap"><a href="/wiki/Turkish_Braille" title="Turkish Braille">Turkish</a></span></li> <li><span class="nowrap"><a href="/wiki/Vietnamese_Braille" title="Vietnamese Braille">Vietnamese</a></span></li> <li><span class="nowrap"><a href="/wiki/Welsh_Braille" title="Welsh Braille">Welsh</a></span></li> <li><span class="nowrap"><a href="/wiki/Yugoslav_Braille" title="Yugoslav Braille">Yugoslav</a></span></li> <li><span class="nowrap"><a href="/wiki/Zambian_Braille" title="Zambian Braille">Zambian</a></span></li></ul> </div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">Nordic family</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><span class="nowrap"><a href="/wiki/Estonian_Braille" title="Estonian Braille">Estonian</a></span></li> <li><span class="nowrap"><a href="/wiki/Faroese_Braille" title="Faroese Braille">Faroese</a></span></li> <li><span class="nowrap"><a href="/wiki/Icelandic_Braille" title="Icelandic Braille">Icelandic</a></span></li> <li><span class="nowrap"><a href="/wiki/Scandinavian_Braille" title="Scandinavian Braille">Scandinavian</a></span> <ul><li><span class="nowrap">Danish</span></li> <li><span class="nowrap">Finnish</span></li> <li><span class="nowrap">Greenlandic</span></li> <li><span class="nowrap"><a href="/wiki/Northern_S%C3%A1mi_Braille" title="Northern Sámi Braille">Northern Sámi</a></span></li> <li><span class="nowrap">Norwegian</span></li> <li><span class="nowrap">Swedish</span></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Russian lineage family<br />i.e. <a href="/wiki/Cyrillic_alphabets" title="Cyrillic alphabets">Cyrillic</a>-mediated scripts</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><span class="nowrap"><a href="/wiki/Belarusian_Braille" title="Belarusian Braille">Belarusian</a></span></li> <li><span class="nowrap"><a href="/wiki/Bulgarian_Braille" title="Bulgarian Braille">Bulgarian</a></span></li> <li><span class="nowrap"><a href="/wiki/Kazakh_Braille" title="Kazakh Braille">Kazakh</a></span></li> <li><span class="nowrap"><a href="/wiki/Kyrgyz_Braille" title="Kyrgyz Braille">Kyrgyz</a></span></li> <li><span class="nowrap"><a href="/wiki/Mongolian_Braille" title="Mongolian Braille">Mongolian</a></span></li> <li><span class="nowrap"><a href="/wiki/Russian_Braille" title="Russian Braille">Russian</a></span></li> <li><span class="nowrap"><a href="/wiki/Tatar_Braille" title="Tatar Braille">Tatar</a></span></li> <li><span class="nowrap"><a href="/wiki/Ukrainian_Braille" title="Ukrainian Braille">Ukrainian</a></span></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Egyptian lineage family<br />i.e. <a href="/wiki/Arabic_script" title="Arabic script">Arabic</a>-mediated scripts</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><span class="nowrap"><a href="/wiki/Arabic_Braille" title="Arabic Braille">Arabic</a></span></li> <li><span class="nowrap"><a href="/wiki/Persian_Braille" title="Persian Braille">Persian</a></span></li> <li><span class="nowrap"><a href="/wiki/Urdu_Braille" title="Urdu Braille">Urdu</a> (Pakistan)</span></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Indian lineage family<br />i.e. <a href="/wiki/Bharati_Braille" title="Bharati Braille">Bharati Braille</a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><span class="nowrap"><a href="/wiki/Devanagari_Braille" title="Devanagari Braille">Devanagari (Hindi / Marathi / Nepali)</a></span></li> <li><span class="nowrap"><a href="/wiki/Bengali_Braille" title="Bengali Braille">Bengali (Bangla / Assamese)</a></span></li> <li><span class="nowrap"><a href="/wiki/Gujarati_Braille" title="Gujarati Braille">Gujarati</a></span></li> <li><span class="nowrap"><a href="/wiki/Kannada_Braille" title="Kannada Braille">Kannada</a></span></li> <li><span class="nowrap"><a href="/wiki/Malayalam_Braille" title="Malayalam Braille">Malayalam</a></span></li> <li><span class="nowrap"><a href="/wiki/Odia_Braille" title="Odia Braille">Odia</a></span></li> <li><span class="nowrap"><a href="/wiki/Punjabi_Braille" title="Punjabi Braille">Punjabi</a></span></li> <li><span class="nowrap"><a href="/wiki/Sinhala_Braille" title="Sinhala Braille">Sinhala</a></span></li> <li><span class="nowrap"><a href="/wiki/Tamil_Braille" title="Tamil Braille">Tamil</a></span></li> <li><span class="nowrap"><a href="/wiki/Telugu_Braille" title="Telugu Braille">Telugu</a></span></li> <li><span class="nowrap"><a href="/wiki/Urdu_Braille" title="Urdu Braille">Urdu</a> (India)</span></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Other scripts</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><span class="nowrap"><a href="/wiki/Ge%27ez_Braille" class="mw-redirect" title="Ge'ez Braille">Amharic</a></span></li> <li><span class="nowrap"><a href="/wiki/Armenian_Braille" title="Armenian Braille">Armenian</a></span></li> <li><span class="nowrap"><a href="/wiki/Burmese_Braille" title="Burmese Braille">Burmese</a></span></li> <li><span class="nowrap"><a href="/wiki/Dzongkha_Braille" title="Dzongkha Braille">Dzongkha</a> (Bhutanese)</span></li> <li><span class="nowrap"><a href="/wiki/Georgian_Braille" title="Georgian Braille">Georgian</a></span></li> <li><span class="nowrap"><a href="/wiki/Greek_Braille" title="Greek Braille">Greek</a></span></li> <li><span class="nowrap"><a href="/wiki/Hebrew_Braille" title="Hebrew Braille">Hebrew</a></span></li> <li><span class="nowrap"><a href="/wiki/Inuktitut_Braille" title="Inuktitut Braille">Inuktitut</a> (reassigned vowels)</span></li> <li><span class="nowrap"><a href="/wiki/Khmer_Braille" title="Khmer Braille">Khmer</a></span></li> <li><span class="nowrap"><a href="/wiki/Thai_and_Lao_Braille" title="Thai and Lao Braille">Thai and Lao</a> (Japanese vowels)</span></li> <li><span class="nowrap"><a href="/wiki/Tibetan_Braille" title="Tibetan Braille">Tibetan</a></span></li></ul> </div></td></tr></tbody></table><div> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Reordered</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><span class="nowrap"><a href="/wiki/Algerian_Braille" title="Algerian Braille">Algerian Braille</a> (obsolete)</span></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Frequency-based</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><span class="nowrap"><a href="/wiki/American_Braille" title="American Braille">American Braille</a> (obsolete)</span></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Independent</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><span class="nowrap">Chinese semi-syllabaries</span> <ul><li><span class="nowrap"><a href="/wiki/Cantonese_Braille" title="Cantonese Braille">Cantonese</a></span></li> <li><span class="nowrap"><a href="/wiki/Mainland_Chinese_Braille" title="Mainland Chinese Braille">Mainland Chinese Mandarin</a></span></li> <li><span class="nowrap"><a href="/wiki/Taiwanese_Braille" title="Taiwanese Braille">Taiwanese Mandarin</a></span></li> <li><span class="nowrap"><a href="/wiki/Two-cell_Chinese_Braille" title="Two-cell Chinese Braille">Two-cell Chinese (Shuangpin)</a></span></li></ul></li> <li><span class="nowrap"><a href="/wiki/Japanese_Braille" title="Japanese Braille">Japanese</a></span></li> <li><span class="nowrap"><a href="/wiki/Korean_Braille" title="Korean Braille">Korean</a></span></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Eight-dot</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><span class="nowrap"><a href="/wiki/Luxembourgish_Braille" title="Luxembourgish Braille">Luxembourgish</a></span></li> <li><span class="nowrap"><a href="/wiki/Braille_kanji" title="Braille kanji">Kanji</a></span></li> <li><span class="nowrap"><a href="/wiki/Gardner%E2%80%93Salinas_braille_codes" title="Gardner–Salinas braille codes">Gardner–Salinas braille codes</a> (GS8)</span></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Symbols in braille</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><span class="nowrap"><a href="/wiki/Braille_music" title="Braille music">Braille music</a></span></li> <li><span class="nowrap"><a href="/wiki/Canadian_currency_tactile_feature" title="Canadian currency tactile feature">Canadian currency marks</a></span></li> <li><span class="nowrap"><a href="/wiki/Computer_Braille_Code" title="Computer Braille Code">Computer Braille Code</a></span></li> <li><span class="nowrap"><a href="/wiki/Gardner%E2%80%93Salinas_braille_codes" title="Gardner–Salinas braille codes">Gardner–Salinas braille codes</a> (science; GS8/GS6)</span></li> <li><span class="nowrap"><a href="/wiki/IPA_Braille" title="IPA Braille">International Phonetic Alphabet (IPA)</a></span></li> <li><span class="nowrap"><a href="/wiki/Nemeth_Braille" title="Nemeth Braille">Nemeth braille code</a></span></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Braille_technology" title="Braille technology">Braille technology</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><span class="nowrap"><a href="/wiki/Braille_e-book" title="Braille e-book">Braille e-book</a></span></li> <li><span class="nowrap"><a href="/wiki/Braille_embosser" title="Braille embosser">Braille embosser</a></span></li> <li><span class="nowrap"><a href="/wiki/Braille_translator" title="Braille translator">Braille translator</a></span></li> <li><span class="nowrap"><a href="/wiki/Braille_watch" title="Braille watch">Braille watch</a></span></li> <li><span class="nowrap"><a href="/wiki/Mountbatten_Brailler" title="Mountbatten Brailler">Mountbatten Brailler</a></span></li> <li><span class="nowrap"><a href="/wiki/Optical_braille_recognition" title="Optical braille recognition">Optical braille recognition</a></span></li> <li><span class="nowrap"><a href="/wiki/Perforation" title="Perforation">Perforation</a></span></li> <li><span class="nowrap"><a href="/wiki/Perkins_Brailler" title="Perkins Brailler">Perkins Brailler</a></span></li> <li><span class="nowrap"><a href="/wiki/Refreshable_braille_display" title="Refreshable braille display">Refreshable braille display</a></span></li> <li><span class="nowrap"><a href="/wiki/Slate_and_stylus" title="Slate and stylus">Slate and stylus</a></span></li> <li><span class="nowrap"><a href="/wiki/Braigo" title="Braigo">Braigo</a></span></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">People</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><span class="nowrap"><a href="/wiki/Louis_Braille" title="Louis Braille">Louis Braille</a></span></li> <li><span class="nowrap"><a href="/wiki/Charles_Barbier" title="Charles Barbier">Charles Barbier</a></span></li> <li><span class="nowrap"><a href="/wiki/R%C3%B3%C5%BCa_Czacka" title="Róża Czacka">Róża Czacka</a></span></li> <li><span class="nowrap"><a href="/wiki/Valentin_Ha%C3%BCy" title="Valentin Haüy">Valentin Haüy</a></span></li> <li><span class="nowrap"><a href="/wiki/Harris_Mowbray" title="Harris Mowbray">Harris Mowbray</a></span></li> <li><span class="nowrap"><a href="/wiki/Thakur_Vishva_Narain_Singh" title="Thakur Vishva Narain Singh">Thakur Vishva Narain Singh</a></span></li> <li><span class="nowrap"><a href="/wiki/Sabriye_Tenberken" title="Sabriye Tenberken">Sabriye Tenberken</a></span></li> <li><span class="nowrap"><a href="/wiki/William_Bell_Wait" title="William Bell Wait">William Bell Wait</a></span></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Organisations</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><span class="nowrap"><a href="/wiki/Braille_Institute_of_America" title="Braille Institute of America">Braille Institute of America</a></span></li> <li><span class="nowrap"><a href="/wiki/Braille_Without_Borders" title="Braille Without Borders">Braille Without Borders</a></span></li> <li><span class="nowrap"><a href="/wiki/Japan_Braille_Library" title="Japan Braille Library">Japan Braille Library</a></span></li> <li><span class="nowrap"><a href="/wiki/National_Braille_Association" title="National Braille Association">National Braille Association</a></span></li> <li><span class="nowrap"><a href="/wiki/Category:Blindness_organizations" title="Category:Blindness organizations">Blindness organizations</a></span></li> <li><span class="nowrap"><a href="/wiki/Category:Schools_for_the_blind" title="Category:Schools for the blind">Schools for the blind</a></span></li> <li><span class="nowrap"><a href="/wiki/American_Printing_House_for_the_Blind" title="American Printing House for the Blind">American Printing House for the Blind</a></span></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Other <a href="/wiki/Tactile_alphabet" title="Tactile alphabet">tactile alphabets</a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><span class="nowrap"><a href="/wiki/Decapoint" title="Decapoint">Decapoint</a></span></li> <li><span class="nowrap"><a href="/wiki/Moon_type" title="Moon type">Moon type</a></span></li> <li><span class="nowrap"><a href="/wiki/New_York_Point" title="New York Point">New York Point</a></span></li> <li><span class="nowrap"><a href="/wiki/Night_writing" title="Night writing">Night writing</a></span></li> <li><span class="nowrap"><a href="/wiki/Vibratese" title="Vibratese">Vibratese</a></span></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Related topics</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><span class="nowrap"><a href="/wiki/Accessible_publishing" title="Accessible publishing">Accessible publishing</a></span></li> <li><span class="nowrap"><a href="/wiki/Braille_literacy" title="Braille literacy">Braille literacy</a></span></li> <li><span class="nowrap"><a href="/wiki/RoboBraille" title="RoboBraille">RoboBraille</a></span></li></ul> </div></td></tr></tbody></table><div></div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"></div><div role="navigation" class="navbox" aria-labelledby="Telecommunications" style="padding:3px"><table class="nowraplinks hlist mw-collapsible mw-collapsed navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Telecommunications" title="Template:Telecommunications"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Telecommunications" title="Template talk:Telecommunications"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Telecommunications" title="Special:EditPage/Template:Telecommunications"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Telecommunications" style="font-size:114%;margin:0 4em"><a href="/wiki/Telecommunications" title="Telecommunications">Telecommunications</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/History_of_telecommunication" title="History of telecommunication">History</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Beacon#For_defensive_communications" title="Beacon">Beacon</a></li> <li><a href="/wiki/History_of_broadcasting" title="History of broadcasting">Broadcasting</a></li> <li><a href="/wiki/Cable_protection_system" title="Cable protection system">Cable protection system</a></li> <li><a href="/wiki/Cable_television" title="Cable television">Cable TV</a></li> <li><a href="/wiki/Communications_satellite#History" title="Communications satellite">Communications satellite</a></li> <li><a href="/wiki/Computer_network#History" title="Computer network">Computer network</a></li> <li><a href="/wiki/Data_compression" title="Data compression">Data compression</a> <ul><li><a href="/wiki/Audio_coding_format" title="Audio coding format">audio</a></li> <li><a href="/wiki/Discrete_cosine_transform" title="Discrete cosine transform">DCT</a></li> <li><a href="/wiki/Image_compression" title="Image compression">image</a></li> <li><a href="/wiki/Video_coding_format" title="Video coding format">video</a></li></ul></li> <li><a href="/wiki/Digital_media" title="Digital media">Digital media</a> <ul><li><a href="/wiki/Internet_video" title="Internet video">Internet video</a></li> <li><a href="/wiki/Online_video_platform" title="Online video platform">online video platform</a></li> <li><a href="/wiki/Social_media" title="Social media">social media</a></li> <li><a href="/wiki/Streaming_media" title="Streaming media">streaming</a></li></ul></li> <li><a href="/wiki/Drums_in_communication" title="Drums in communication">Drums</a></li> <li><a href="/wiki/Edholm%27s_law" title="Edholm's law">Edholm's law</a></li> <li><a href="/wiki/Electrical_telegraph#History" title="Electrical telegraph">Electrical telegraph</a></li> <li><a href="/wiki/Fax#History" title="Fax">Fax</a></li> <li><a href="/wiki/Heliograph#History" title="Heliograph">Heliographs</a></li> <li><a href="/wiki/Hydraulic_telegraph#Greek_hydraulic_semaphore_system" title="Hydraulic telegraph">Hydraulic telegraph</a></li> <li><a href="/wiki/Information_Age" title="Information Age">Information Age</a></li> <li><a href="/wiki/Information_revolution" class="mw-redirect" title="Information revolution">Information revolution</a></li> <li><a href="/wiki/History_of_the_Internet" title="History of the Internet">Internet</a></li> <li><a href="/wiki/Mass_media#History" title="Mass media">Mass media</a></li> <li><a href="/wiki/History_of_mobile_phones" title="History of mobile phones">Mobile phone</a> <ul><li><a href="/wiki/Smartphone" title="Smartphone">Smartphone</a></li></ul></li> <li><a href="/wiki/Optical_communication" title="Optical communication">Optical telecommunication</a></li> <li><a href="/wiki/Optical_telegraph" title="Optical telegraph">Optical telegraphy</a></li> <li><a href="/wiki/Pager" title="Pager">Pager</a></li> <li><a href="/wiki/Photophone" title="Photophone">Photophone</a></li> <li><a href="/wiki/History_of_prepaid_mobile_phones" title="History of prepaid mobile phones">Prepaid mobile phone</a></li> <li><a href="/wiki/History_of_radio" title="History of radio">Radio</a></li> <li><a href="/wiki/Radiotelephone" title="Radiotelephone">Radiotelephone</a></li> <li><a href="/wiki/Communications_satellite" title="Communications satellite">Satellite communications</a></li> <li><a class="mw-selflink selflink">Semaphore</a> <ul><li><a href="/wiki/Phryctoria" title="Phryctoria">Phryctoria</a></li></ul></li> <li><a href="/wiki/Semiconductor" title="Semiconductor">Semiconductor</a> <ul><li><a href="/wiki/Semiconductor_device" title="Semiconductor device">device</a></li> <li><a href="/wiki/MOSFET" title="MOSFET">MOSFET</a></li> <li><a href="/wiki/History_of_the_transistor" title="History of the transistor">transistor</a></li></ul></li> <li><a href="/wiki/Smoke_signal" title="Smoke signal">Smoke signals</a></li> <li><a href="/wiki/History_of_telecommunication" title="History of telecommunication">Telecommunications history</a></li> <li><a href="/wiki/Telautograph" title="Telautograph">Telautograph</a></li> <li><a href="/wiki/Telegraphy" title="Telegraphy">Telegraphy</a></li> <li><a href="/wiki/Teleprinter" title="Teleprinter">Teleprinter</a> (teletype)</li> <li><a href="/wiki/History_of_the_telephone" title="History of the telephone">Telephone</a></li> <li><i><a href="/wiki/The_Telephone_Cases" title="The Telephone Cases">The Telephone Cases</a></i></li> <li><a href="/wiki/History_of_television" title="History of television">Television</a> <ul><li><a href="/wiki/Digital_television" title="Digital television">digital</a></li> <li><a href="/wiki/Streaming_television" title="Streaming television">streaming</a></li></ul></li> <li><a href="/wiki/Submarine_communications_cable#Early_history:_telegraph_and_coaxial_cables" title="Submarine communications cable">Undersea telegraph line</a></li> <li><a href="/wiki/History_of_videotelephony" title="History of videotelephony">Videotelephony</a></li> <li><a href="/wiki/Whistled_language" title="Whistled language">Whistled language</a></li> <li><a href="/wiki/Wireless_revolution" class="mw-redirect" title="Wireless revolution">Wireless revolution</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Pioneers</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Nasir_Ahmed_(engineer)" title="Nasir Ahmed (engineer)">Nasir Ahmed</a></li> <li><a href="/wiki/Edwin_Howard_Armstrong" title="Edwin Howard Armstrong">Edwin Howard Armstrong</a></li> <li><a href="/wiki/Mohamed_M._Atalla" title="Mohamed M. Atalla">Mohamed M. Atalla</a></li> <li><a href="/wiki/John_Logie_Baird" title="John Logie Baird">John Logie Baird</a></li> <li><a href="/wiki/Paul_Baran" title="Paul Baran">Paul Baran</a></li> <li><a href="/wiki/John_Bardeen" title="John Bardeen">John Bardeen</a></li> <li><a href="/wiki/Alexander_Graham_Bell" title="Alexander Graham Bell">Alexander Graham Bell</a></li> <li><a href="/wiki/Emile_Berliner" title="Emile Berliner">Emile Berliner</a></li> <li><a href="/wiki/Tim_Berners-Lee" title="Tim Berners-Lee">Tim Berners-Lee</a></li> <li><a href="/wiki/Francis_Blake_(inventor)" title="Francis Blake (inventor)">Francis Blake</a></li> <li><a href="/wiki/Jagadish_Chandra_Bose" title="Jagadish Chandra Bose">Jagadish Chandra Bose</a></li> <li><a href="/wiki/Charles_Bourseul" title="Charles Bourseul">Charles Bourseul</a></li> <li><a href="/wiki/Walter_Houser_Brattain" title="Walter Houser Brattain">Walter Houser Brattain</a></li> <li><a href="/wiki/Vint_Cerf" title="Vint Cerf">Vint Cerf</a></li> <li><a href="/wiki/Claude_Chappe" title="Claude Chappe">Claude Chappe</a></li> <li><a href="/wiki/Yogen_Dalal" class="mw-redirect" title="Yogen Dalal">Yogen Dalal</a></li> <li><a href="/wiki/Daniel_Davis_Jr." title="Daniel Davis Jr.">Daniel Davis Jr.</a></li> <li><a href="/wiki/Donald_Davies" title="Donald Davies">Donald Davies</a></li> <li><a href="/wiki/Amos_Dolbear" title="Amos Dolbear">Amos Dolbear</a></li> <li><a href="/wiki/Thomas_Edison" title="Thomas Edison">Thomas Edison</a></li> <li><a href="/wiki/Lee_de_Forest" title="Lee de Forest">Lee de Forest</a></li> <li><a href="/wiki/Philo_Farnsworth" title="Philo Farnsworth">Philo Farnsworth</a></li> <li><a href="/wiki/Reginald_Fessenden" title="Reginald Fessenden">Reginald Fessenden</a></li> <li><a href="/wiki/Elisha_Gray" title="Elisha Gray">Elisha Gray</a></li> <li><a href="/wiki/Oliver_Heaviside" title="Oliver Heaviside">Oliver Heaviside</a></li> <li><a href="/wiki/Robert_Hooke" title="Robert Hooke">Robert Hooke</a></li> <li><a href="/wiki/Erna_Schneider_Hoover" title="Erna Schneider Hoover">Erna Schneider Hoover</a></li> <li><a href="/wiki/Harold_Hopkins_(physicist)" title="Harold Hopkins (physicist)">Harold Hopkins</a></li> <li><a href="/wiki/Gardiner_Greene_Hubbard" title="Gardiner Greene Hubbard">Gardiner Greene Hubbard</a></li> <li><a href="/wiki/List_of_Internet_pioneers" title="List of Internet pioneers">Internet pioneers</a></li> <li><a href="/wiki/Bob_Kahn" class="mw-redirect" title="Bob Kahn">Bob Kahn</a></li> <li><a href="/wiki/Dawon_Kahng" title="Dawon Kahng">Dawon Kahng</a></li> <li><a href="/wiki/Charles_K._Kao" title="Charles K. Kao">Charles K. Kao</a></li> <li><a href="/wiki/Narinder_Singh_Kapany" title="Narinder Singh Kapany">Narinder Singh Kapany</a></li> <li><a href="/wiki/Hedy_Lamarr" title="Hedy Lamarr">Hedy Lamarr</a></li> <li><a href="/wiki/Roberto_Landell_de_Moura" title="Roberto Landell de Moura">Roberto Landell de Moura</a></li> <li><a href="/wiki/Innocenzo_Manzetti" title="Innocenzo Manzetti">Innocenzo Manzetti</a></li> <li><a href="/wiki/Guglielmo_Marconi" title="Guglielmo Marconi">Guglielmo Marconi</a></li> <li><a href="/wiki/Robert_Metcalfe" title="Robert Metcalfe">Robert Metcalfe</a></li> <li><a href="/wiki/Antonio_Meucci" title="Antonio Meucci">Antonio Meucci</a></li> <li><a href="/wiki/Samuel_Morse" title="Samuel Morse">Samuel Morse</a></li> <li><a href="/wiki/Jun-ichi_Nishizawa" title="Jun-ichi Nishizawa">Jun-ichi Nishizawa</a></li> <li><a href="/wiki/Charles_Grafton_Page" title="Charles Grafton Page">Charles Grafton Page</a></li> <li><a href="/wiki/Radia_Perlman" title="Radia Perlman">Radia Perlman</a></li> <li><a href="/wiki/Alexander_Stepanovich_Popov" class="mw-redirect" title="Alexander Stepanovich Popov">Alexander Stepanovich Popov</a></li> <li><a href="/wiki/Tivadar_Pusk%C3%A1s" title="Tivadar Puskás">Tivadar Puskás</a></li> <li><a href="/wiki/Johann_Philipp_Reis" title="Johann Philipp Reis">Johann Philipp Reis</a></li> <li><a href="/wiki/Claude_Shannon" title="Claude Shannon">Claude Shannon</a></li> <li><a href="/wiki/Almon_Brown_Strowger" title="Almon Brown Strowger">Almon Brown Strowger</a></li> <li><a href="/wiki/Henry_Sutton_(inventor)" title="Henry Sutton (inventor)">Henry Sutton</a></li> <li><a href="/wiki/Charles_Sumner_Tainter" title="Charles Sumner Tainter">Charles Sumner Tainter</a></li> <li><a href="/wiki/Nikola_Tesla" title="Nikola Tesla">Nikola Tesla</a></li> <li><a href="/wiki/Camille_Tissot" title="Camille Tissot">Camille Tissot</a></li> <li><a href="/wiki/Alfred_Vail" title="Alfred Vail">Alfred Vail</a></li> <li><a href="/wiki/Thomas_A._Watson" title="Thomas A. Watson">Thomas A. Watson</a></li> <li><a href="/wiki/Charles_Wheatstone" title="Charles Wheatstone">Charles Wheatstone</a></li> <li><a href="/wiki/Vladimir_K._Zworykin" title="Vladimir K. Zworykin">Vladimir K. Zworykin</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Transmission_medium" title="Transmission medium">Transmission<br />media</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Coaxial_cable" title="Coaxial cable">Coaxial cable</a></li> <li><a href="/wiki/Fiber-optic_communication" title="Fiber-optic communication">Fiber-optic communication</a> <ul><li><a href="/wiki/Optical_fiber" title="Optical fiber">optical fiber</a></li></ul></li> <li><a href="/wiki/Free-space_optical_communication" title="Free-space optical communication">Free-space optical communication</a></li> <li><a href="/wiki/Molecular_communication" title="Molecular communication">Molecular communication</a></li> <li><a href="/wiki/Radio_wave" title="Radio wave">Radio waves</a> <ul><li><a href="/wiki/Wireless" title="Wireless">wireless</a></li></ul></li> <li><a href="/wiki/Transmission_line" title="Transmission line">Transmission line</a> <ul><li><a href="/wiki/Telecommunication_circuit" title="Telecommunication circuit">telecommunication circuit</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Network_topology" title="Network topology">Network topology</a><br />and switching</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Bandwidth_(computing)" title="Bandwidth (computing)">Bandwidth</a></li> <li><a href="/wiki/Telecommunications_link" title="Telecommunications link">Links</a></li> <li><a href="/wiki/Node_(networking)" title="Node (networking)">Nodes</a> <ul><li><a href="/wiki/Terminal_(telecommunication)" title="Terminal (telecommunication)">terminal</a></li></ul></li> <li><a href="/wiki/Network_switch" title="Network switch">Network switching</a> <ul><li><a href="/wiki/Circuit_switching" title="Circuit switching">circuit</a></li> <li><a href="/wiki/Packet_switching" title="Packet switching">packet</a></li></ul></li> <li><a href="/wiki/Telephone_exchange" title="Telephone exchange">Telephone exchange</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Multiplexing" title="Multiplexing">Multiplexing</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Space-division_multiple_access" title="Space-division multiple access">Space-division</a></li> <li><a href="/wiki/Frequency-division_multiplexing" title="Frequency-division multiplexing">Frequency-division</a></li> <li><a href="/wiki/Time-division_multiplexing" title="Time-division multiplexing">Time-division</a></li> <li><a href="/wiki/Polarization-division_multiplexing" title="Polarization-division multiplexing">Polarization-division</a></li> <li><a href="/wiki/Orbital_angular_momentum_multiplexing" title="Orbital angular momentum multiplexing">Orbital angular-momentum</a></li> <li><a href="/wiki/Code-division_multiple_access" title="Code-division multiple access">Code-division</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Concepts</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Communication_protocol" title="Communication protocol">Communication protocol</a></li> <li><a href="/wiki/Computer_network" title="Computer network">Computer network</a></li> <li><a href="/wiki/Data_communication" title="Data communication">Data transmission</a></li> <li><a href="/wiki/Store_and_forward" title="Store and forward">Store and forward</a></li> <li><a href="/wiki/Telecommunications_equipment" title="Telecommunications equipment">Telecommunications equipment</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Telecommunications_network" title="Telecommunications network">Types of network</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Cellular_network" title="Cellular network">Cellular network</a></li> <li><a href="/wiki/Ethernet" title="Ethernet">Ethernet</a></li> <li><a href="/wiki/Integrated_Services_Digital_Network" class="mw-redirect" title="Integrated Services Digital Network">ISDN</a></li> <li><a href="/wiki/Local_area_network" title="Local area network">LAN</a></li> <li><a href="/wiki/Mobile_telephony" title="Mobile telephony">Mobile</a></li> <li><a href="/wiki/Next-generation_network" title="Next-generation network">NGN</a></li> <li><a href="/wiki/Public_switched_telephone_network" title="Public switched telephone network">Public Switched Telephone</a></li> <li><a href="/wiki/Radio_network" title="Radio network">Radio</a></li> <li><a href="/wiki/Television_broadcasting" class="mw-redirect" title="Television broadcasting">Television</a></li> <li><a href="/wiki/Telex" title="Telex">Telex</a></li> <li><a href="/wiki/UUCP" title="UUCP">UUCP</a></li> <li><a href="/wiki/Wide_area_network" title="Wide area network">WAN</a></li> <li><a href="/wiki/Wireless_network" title="Wireless network">Wireless network</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Telecommunications_network" title="Telecommunications network">Notable networks</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/ARPANET" title="ARPANET">ARPANET</a></li> <li><a href="/wiki/BITNET" title="BITNET">BITNET</a></li> <li><a href="/wiki/CYCLADES" title="CYCLADES">CYCLADES</a></li> <li><a href="/wiki/FidoNet" title="FidoNet">FidoNet</a></li> <li><a href="/wiki/Internet" title="Internet">Internet</a></li> <li><a href="/wiki/Internet2" title="Internet2">Internet2</a></li> <li><a href="/wiki/JANET" title="JANET">JANET</a></li> <li><a href="/wiki/NPL_network" title="NPL network">NPL network</a></li> <li><a href="/wiki/Toasternet" title="Toasternet">Toasternet</a></li> <li><a href="/wiki/Usenet" title="Usenet">Usenet</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Locations</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Category:Telecommunications_in_Africa" title="Category:Telecommunications in Africa">Africa</a></li> <li>Americas <ul><li><a href="/wiki/Category:Telecommunications_in_North_America" title="Category:Telecommunications in North America">North</a></li> <li><a href="/wiki/Category:Telecommunications_in_South_America" title="Category:Telecommunications in South America">South</a></li></ul></li> <li><a href="/wiki/Category:Communications_in_Antarctica" title="Category:Communications in Antarctica">Antarctica</a></li> <li><a href="/wiki/Category:Telecommunications_in_Asia" title="Category:Telecommunications in Asia">Asia</a></li> <li><a href="/wiki/Category:Telecommunications_in_Europe" title="Category:Telecommunications in Europe">Europe</a></li> <li><a href="/wiki/Category:Telecommunications_in_Oceania" title="Category:Telecommunications in Oceania">Oceania</a></li> <li>(<a href="/wiki/List_of_telecommunications_regulatory_bodies" title="List of telecommunications regulatory bodies">Global telecommunications regulation bodies</a>)</li></ul> </div></td></tr><tr><td class="navbox-abovebelow" colspan="2"><div> <ul><li><span class="nowrap"><span class="noviewer" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4e/Telecom-icon.svg/16px-Telecom-icon.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4e/Telecom-icon.svg/24px-Telecom-icon.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4e/Telecom-icon.svg/32px-Telecom-icon.svg.png 2x" data-file-width="500" data-file-height="500" /></span></span> </span><a href="/wiki/Portal:Telecommunication" title="Portal:Telecommunication">Telecommunication portal</a></li> <li><span class="noviewer" typeof="mw:File"><span title="Category"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/16px-Symbol_category_class.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/23px-Symbol_category_class.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/31px-Symbol_category_class.svg.png 2x" data-file-width="180" data-file-height="185" /></span></span> <a href="/wiki/Category:Telecommunications" title="Category:Telecommunications">Category</a></li> <li><span class="noviewer" typeof="mw:File"><span title="List-Class article"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/d/db/Symbol_list_class.svg/16px-Symbol_list_class.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/d/db/Symbol_list_class.svg/23px-Symbol_list_class.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/d/db/Symbol_list_class.svg/31px-Symbol_list_class.svg.png 2x" data-file-width="180" data-file-height="185" /></span></span> <a href="/wiki/Outline_of_telecommunication" title="Outline of telecommunication">Outline</a></li> <li><span class="noviewer" typeof="mw:File"><span title="Commons page"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/12px-Commons-logo.svg.png" decoding="async" width="12" height="16" class="mw-file-element" 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