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class="interlanguage-link interwiki-azb mw-list-item"><a href="https://azb.wikipedia.org/wiki/%DA%86%D8%A7%D8%B1%D9%84%D8%B2_%D9%82%D8%B1%D8%A7%D9%81%D8%AA%D9%88%D9%86_%D9%BE%DB%8C%D8%AC" title="چارلز قرافتون پیج – South Azerbaijani" lang="azb" hreflang="azb" data-title="چارلز قرافتون پیج" data-language-autonym="تۆرکجه" data-language-local-name="South Azerbaijani" class="interlanguage-link-target"><span>تۆرکجه</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Charles_Grafton_Page" title="Charles Grafton Page – German" lang="de" hreflang="de" data-title="Charles Grafton Page" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%DA%86%D8%A7%D8%B1%D9%84%D8%B2_%DA%AF%D8%B1%D8%A7%D9%81%D8%AA%D9%88%D9%86_%D9%BE%DB%8C%D8%AC" title="چارلز گرافتون پیج – Persian" 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.navbar{font-size:100%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .infobox-full-data:not(.notheme)>div:not(.notheme)[style]{background:#1f1f23!important;color:#f8f9fa}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox-full-data:not(.notheme) div:not(.notheme){background:#1f1f23!important;color:#f8f9fa}}@media(min-width:640px){body.skin--responsive .mw-parser-output .infobox-table{display:table!important}body.skin--responsive .mw-parser-output .infobox-table>caption{display:table-caption!important}body.skin--responsive .mw-parser-output .infobox-table>tbody{display:table-row-group}body.skin--responsive .mw-parser-output .infobox-table tr{display:table-row!important}body.skin--responsive .mw-parser-output .infobox-table th,body.skin--responsive .mw-parser-output .infobox-table td{padding-left:inherit;padding-right:inherit}}</style><table class="infobox biography vcard"><tbody><tr><th colspan="2" class="infobox-above" style="font-size:125%;"><div class="fn">Charles Grafton Page</div></th></tr><tr><td colspan="2" class="infobox-image"><span typeof="mw:File"><a href="/wiki/File:CGPageportrait.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f6/CGPageportrait.jpg/200px-CGPageportrait.jpg" decoding="async" width="200" height="273" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f6/CGPageportrait.jpg/300px-CGPageportrait.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f6/CGPageportrait.jpg/400px-CGPageportrait.jpg 2x" data-file-width="792" data-file-height="1080" /></a></span><div class="infobox-caption">Charles Grafton Page<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></div></td></tr><tr><th scope="row" class="infobox-label">Born</th><td class="infobox-data"><span style="display:none">(<span class="bday">1812-01-25</span>)</span>25 January 1812<br /><div style="display:inline" class="birthplace"><a href="/wiki/Salem,_Massachusetts" title="Salem, Massachusetts">Salem, Massachusetts</a>, USA</div></td></tr><tr><th scope="row" class="infobox-label">Died</th><td class="infobox-data">5 May 1868<span style="display:none">(1868-05-05)</span> (aged 56)<br /><div style="display:inline" class="deathplace">Washington D.C., USA</div></td></tr><tr><th scope="row" class="infobox-label">Nationality</th><td class="infobox-data category">American</td></tr><tr><th scope="row" class="infobox-label">Alma mater</th><td class="infobox-data"><a href="/wiki/Harvard_College" title="Harvard College">Harvard College</a><br /><a href="/wiki/Harvard_Medical_School" title="Harvard Medical School">Harvard Medical School</a></td></tr><tr><th scope="row" class="infobox-label">Known for</th><td class="infobox-data">origins of <a href="/wiki/Induction_coil" title="Induction coil">induction coil</a><br /> origins of <a href="/wiki/Circuit_breakers" class="mw-redirect" title="Circuit breakers">circuit breakers</a> <br /><a href="/w/index.php?title=Electromagnetic_locomotive&action=edit&redlink=1" class="new" title="Electromagnetic locomotive (page does not exist)">electromagnetic locomotive</a></td></tr><tr><td colspan="2" class="infobox-full-data"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1257001546"><b>Scientific career</b></td></tr><tr><th scope="row" class="infobox-label">Fields</th><td class="infobox-data category"><a href="/wiki/Electromagnetism" title="Electromagnetism">Electromagnetism</a></td></tr><tr><th scope="row" class="infobox-label">Institutions</th><td class="infobox-data"><a href="/wiki/US_Patent_Office" class="mw-redirect" title="US Patent Office">US Patent Office</a><br />Columbian College (<a href="/wiki/George_Washington_University" title="George Washington University">George Washington University</a>)</td></tr><tr style="display:none"><td colspan="2"> </td></tr><tr><th colspan="2" class="infobox-header">Signature</th></tr><tr><td colspan="2" class="infobox-full-data"><span class="infobox-signature skin-invert" typeof="mw:File"><a href="/wiki/File:CGPagesignature.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/en/thumb/a/a5/CGPagesignature.jpg/150px-CGPagesignature.jpg" decoding="async" width="150" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/a/a5/CGPagesignature.jpg/225px-CGPagesignature.jpg 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/a/a5/CGPagesignature.jpg/300px-CGPagesignature.jpg 2x" data-file-width="646" data-file-height="171" /></a></span></td></tr></tbody></table> <p><b>Charles Grafton Page</b> (January 25, 1812 – May 5, 1868) was an American electrical experimenter and inventor, physician, <a href="/wiki/Patent_examiner" title="Patent examiner">patent examiner</a>, patent advocate, and professor of <a href="/wiki/Chemistry" title="Chemistry">chemistry</a>. </p><p>Like his more famous contemporaries <a href="/wiki/Michael_Faraday" title="Michael Faraday">Michael Faraday</a> and <a href="/wiki/Joseph_Henry" title="Joseph Henry">Joseph Henry</a>, Page began his career as an astute <a href="/wiki/Natural_philosopher" class="mw-redirect" title="Natural philosopher">natural philosopher</a> who developed innovative work with natural phenomena through direct observation and experimenting. Toward the later part of their careers, the science of the day had moved on to a more mathematical emphasis in which these scientists did not participate. </p><p>Through his exploratory experiments and distinctive inventions, Page developed a deep understanding of <a href="/wiki/Electromagnetism" title="Electromagnetism">electromagnetism</a>. He applied this understanding in the service of the US Patent Office, in support of other inventors, and in pursuing his own ill-fated dream of electromagnetic locomotion. His work had a lasting impact on <a href="/wiki/Telegraphy" title="Telegraphy">telegraphy</a> and in the practice and politics of patenting scientific innovation, challenging the rising scientific elitism that maintained 'the scientific do not patent'.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Family_life">Family life</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Charles_Grafton_Page&action=edit&section=1" title="Edit section: Family life"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Charles Grafton Page was born to Captain Jere Lee Page and Lucy Lang Page on January 25, 1812 in <a href="/wiki/Salem,_Massachusetts" title="Salem, Massachusetts">Salem, Massachusetts</a>. Having eight siblings, four of each gender, he was the only one of five sons to pursue a career into mature adulthood. One of his brothers died in infancy. Brother George died from typhoid at age sixteen, brother Jery perished on a sea expedition to the Caribbean at age twenty-five, and Henry, afflicted by poliomyelitis, was not able to support himself. In writing to Charles Grafton during his final voyage, Jery expressed the family's hope for his success: "You are the only classical Page in our book."<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p><p>Page's curiosity about electricity was evident from childhood. At age nine, he climbed on top of his parents' house with a fire-shovel in an attempt to catch electricity during a thunderstorm. At age ten, he built an electrostatic machine that he used to shock his friends.<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> At sixteen, Page developed the "portable electrophorus", which served as the foundation for his first published article in the <i>American Journal of Science</i> (Page, 1834). </p><p>Other early interests, including <a href="/wiki/Botany" title="Botany">botany</a>, <a href="/wiki/Entomology" title="Entomology">entomology</a> (Page, 1836b), and <a href="/wiki/Floriculture" title="Floriculture">floriculture</a>, contributed to his scientific training and later avocations.<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><p>After graduating from medical school, Page continued to reside in his parents' Salem home and opened a small medical practice. In a well-stocked lab that he set up there, he experimented with electricity, demonstrated effects that no one had observed before, and improvised original apparatus that amplified these effects.<sup id="cite_ref-:3_6-0" class="reference"><a href="#cite_note-:3-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup><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><p>When his father retired from a successful career as a sea captain in trade with East India, Page joined his family in relocating to rural Virginia outside <a href="/wiki/Washington,_D.C." title="Washington, D.C.">Washington, D.C.</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> </p><p>Page married Priscilla Sewall Webster in 1844. Priscilla was the younger sister of the wife of a Washington physician, Harvey Lindsly, who was among Page's colleagues. One son died in infancy. The couple brought up three sons and two daughters.<sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-10" class="reference"><a href="#cite_note-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> Their oldest daughter, Emelyn or Emmie, died less than a year before Page's own death.<sup id="cite_ref-11" class="reference"><a href="#cite_note-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> Their youngest son, <a href="/wiki/Harvey_L._Page" title="Harvey L. Page">Harvey Lindsly Page</a> (1859–1934), was named for his uncle. He was a famous American architect and inventor, of San Antonio, Texas.<sup id="cite_ref-12" class="reference"><a href="#cite_note-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> </p><p>Page pursued undergraduate studies at <a href="/wiki/Harvard_College" title="Harvard College">Harvard College</a> from 1828 to 1832, studying chemistry under Professor John White Webster. A classmate at Salem Latin School who also attended college and medical school with him, Henry Wheatland described Page as popular, fun-loving, athletic, a fine singer and "a loved companion". Page participated in organizing a college chemical club where he demonstrated electricity and other phenomena. He received an M.D. from <a href="/wiki/Harvard_Medical_School" title="Harvard Medical School">Harvard Medical School</a> in 1836.<sup id="cite_ref-:0_13-0" class="reference"><a href="#cite_note-:0-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Career">Career</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Charles_Grafton_Page&action=edit&section=2" title="Edit section: Career"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>After receiving an M.D. in 1836, he practiced medicine and gave public lectures on chemistry in Salem.<sup id="cite_ref-:0_13-1" class="reference"><a href="#cite_note-:0-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup> When Page moved to northern Virginia in 1838, he continued his experimental research and set up a medical practice which he sustained for several years.<sup id="cite_ref-14" class="reference"><a href="#cite_note-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> </p><p>Page served as a patent examiner in the United States Patent Office in Washington, D.C. for two periods: 1842-1852 and 1861-1868. He became senior patent examiner during his first term. During the years intervening, he took up a business as a patent agent or solicitor to help other inventors secure patents, established and edited the short-lived <i>The American Polytechnic Journal</i>, and pursued his own interests in electromagnetism, floriculture and other areas.<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><sup id="cite_ref-16" class="reference"><a href="#cite_note-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup> As a patent agent, Page handled up to 50 successful patents a year, including patents for <a href="/wiki/Eben_Norton_Horsford" title="Eben Norton Horsford">Eben Norton Horsford</a>, <a href="/wiki/Walter_Hunt_(inventor)" title="Walter Hunt (inventor)">Walter Hunt</a> and others.<sup id="cite_ref-17" class="reference"><a href="#cite_note-17"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup> Page's 1861 return to the Patent Agency as an examiner occurred in the wake of numerous dismissals of patent office employees under the new Administration of <a href="/wiki/Abraham_Lincoln" title="Abraham Lincoln">Abraham Lincoln</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> </p><p>Page figured as a key witness in the Morse v. O'Reilly telegraph lawsuit of 1848.<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> However, when Morse sought an extension of his patent on telegraph apparatus twelve years later, Page refuted Morse's role as inventor and was perhaps influential in the extensions' denial.<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> </p><p>From 1844 to 1849, Page was professor of chemistry and pharmacy in the Medical Department at Columbian College in Washington, D.C.<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> (now <a href="/wiki/George_Washington_University" title="George Washington University">George Washington University</a>). He held other public roles such as that of advising the choice of stone to be used in constructing the <a href="/wiki/Smithsonian_Institution" title="Smithsonian Institution">Smithsonian Institution</a> and the <a href="/wiki/Washington_Monument" title="Washington Monument">Washington Monument</a> to the committees in charge of these projects.<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> </p><p>Throughout his life, Page published more than one-hundred articles over the course of three distinct periods: the late 1830s, the mid-1840s, and the early 1850s. The first period (1837–1840) was especially crucial in developing his analytic skills. Over 40 of his articles appeared in the <i>American Journal of Science</i> edited by <a href="/wiki/Benjamin_Silliman" title="Benjamin Silliman">Benjamin Silliman</a>; some of these were reprinted at the time in <a href="/wiki/William_Sturgeon" title="William Sturgeon">William Sturgeon</a>'s <i>Annals of Electricity, Magnetism, and Chemistry</i> printed in Great Britain. The <i>Royal Society Catalogue of Scientific Papers</i> (1800–1863 volume) records many of Page's papers, however this listing is incomplete, as is that provided in (Post, 1976a, p. 207-213). </p> <div class="mw-heading mw-heading2"><h2 id="Scientific_accomplishments">Scientific accomplishments</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Charles_Grafton_Page&action=edit&section=3" title="Edit section: Scientific accomplishments"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div><p> While still a medical student at Harvard, Page conducted a ground-breaking experiment which demonstrated the presence of electricity in an arrangement of a spiral conductor that no one had tried before. His experiment was a response to a short paper by Joseph Henry, announcing that a strong <a href="/wiki/Electric_shock" class="mw-redirect" title="Electric shock">electric shock</a> was obtained from a ribbon strip of copper, spiralled up between fabric insulation, at the moment when battery current stopped running in this conductor.<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> These strong shocks manifested the electrical property of self-<a href="/wiki/Inductance" title="Inductance">inductance</a> which Faraday had identified in researches published prior to Henry's,<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> building on his own landmark discovery of <a href="/wiki/Electromagnetic_induction" title="Electromagnetic induction">electromagnetic induction</a>.<sup id="cite_ref-25" class="reference"><a href="#cite_note-25"><span class="cite-bracket">[</span>25<span class="cite-bracket">]</span></a></sup> Page seemed to be unaware of Faraday's analysis.<sup id="cite_ref-:3_6-1" class="reference"><a href="#cite_note-:3-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> </p><figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:CGPagespiral.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/d/d5/CGPagespiral.jpg/220px-CGPagespiral.jpg" decoding="async" width="220" height="104" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/d5/CGPagespiral.jpg/330px-CGPagespiral.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/d5/CGPagespiral.jpg/440px-CGPagespiral.jpg 2x" data-file-width="778" data-file-height="368" /></a><figcaption>Side view of Page's 1837 spiral, showing connector cups spaced across its length.<sup id="cite_ref-:7_26-0" class="reference"><a href="#cite_note-:7-26"><span class="cite-bracket">[</span>26<span class="cite-bracket">]</span></a></sup></figcaption></figure><p>Page's innovation was to construct a spiral conductor having cups filled with <a href="/wiki/Mercury_(element)" title="Mercury (element)">mercury</a> as electrical connectors that were placed at various positions along its length. He then connected one terminal from an <a href="/wiki/Electrochemical_cell" title="Electrochemical cell">electrochemical battery</a> to the inner cup of the spiral, and put the other battery terminal into some other cup of the spiral. The direct battery current flowed through the spiral, from cup to cup. He held a metal wand in each hand, and put these wands into the same two cups as where the battery terminals went — or any other pair of cups. When an assistant removed one of the battery terminals, stopping the current from going in the spiral, Page received a shock. He reported stronger shocks when his hands covered more of the spiral's length than where direct battery current went. He even felt shocks from parts of the spiral where no direct battery current passed. He used <a href="/wiki/Acupuncture" title="Acupuncture">acupuncture</a> needles, pierced into his fingers, to amplify his sense of shock.<sup id="cite_ref-:7_26-1" class="reference"><a href="#cite_note-:7-26"><span class="cite-bracket">[</span>26<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-:2_27-0" class="reference"><a href="#cite_note-:2-27"><span class="cite-bracket">[</span>27<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-28" class="reference"><a href="#cite_note-28"><span class="cite-bracket">[</span>28<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-:6_29-0" class="reference"><a href="#cite_note-:6-29"><span class="cite-bracket">[</span>29<span class="cite-bracket">]</span></a></sup> </p><p>While Page advocated the use of this shocking device as a medical treatment, an early form of <a href="/wiki/Electrotherapy" title="Electrotherapy">electrotherapy</a>,<sup id="cite_ref-:8_30-0" class="reference"><a href="#cite_note-:8-30"><span class="cite-bracket">[</span>30<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-:2_27-1" class="reference"><a href="#cite_note-:2-27"><span class="cite-bracket">[</span>27<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-:5_31-0" class="reference"><a href="#cite_note-:5-31"><span class="cite-bracket">[</span>31<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-:6_29-1" class="reference"><a href="#cite_note-:6-29"><span class="cite-bracket">[</span>29<span class="cite-bracket">]</span></a></sup> his own interest lay in its heightening of electrical tension, or <a href="/wiki/Voltage" title="Voltage">voltage</a> above that of the low voltage battery input, and in its other electrical behaviors. Page went on to improve the instrument, giving it the name 'Dynamic Multiplier'.<sup id="cite_ref-:9_32-0" class="reference"><a href="#cite_note-:9-32"><span class="cite-bracket">[</span>32<span class="cite-bracket">]</span></a></sup> </p><p>In order for Page's instrument to produce the shock, the battery current had to be stopped. In order to experience another shock, the battery had to be started again, and then stopped. Page invented the first <a href="/wiki/Interrupter" title="Interrupter">interrupters</a>, to provide a repeatable means of connecting and disconnecting the circuit. In these devices, electrical flow is started and stopped as a rocking or rotary motion lifts electrical contacts out of a mercury pool. An <a href="/wiki/Electric_motor" title="Electric motor">electric motor</a> effect is responsible for the continued operation of the switch.<sup id="cite_ref-:2_27-2" class="reference"><a href="#cite_note-:2-27"><span class="cite-bracket">[</span>27<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-:7_26-2" class="reference"><a href="#cite_note-:7-26"><span class="cite-bracket">[</span>26<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-:9_32-1" class="reference"><a href="#cite_note-:9-32"><span class="cite-bracket">[</span>32<span class="cite-bracket">]</span></a></sup> </p><p>Crucial to Page's research with the spiral conductor was his capacity to explore and question the unknown, where the physical effects were enigmatic and the 'received theories'<sup id="cite_ref-:7_26-3" class="reference"><a href="#cite_note-:7-26"><span class="cite-bracket">[</span>26<span class="cite-bracket">]</span></a></sup> inadequate. Page did not provide an explanation for what he found, yet he extended and amplified the apparatus and its unexpected behaviors. A recent reconstruction of Page's experiment corroborates the central role of ambiguity in his work, finding, "A key strategy in working productively with ambiguity lies in opening up multiple possibilities, entry points, and perspectives, as Page did by soldering intermediate [cups] into his spiral."<sup id="cite_ref-33" class="reference"><a href="#cite_note-33"><span class="cite-bracket">[</span>33<span class="cite-bracket">]</span></a></sup> Page's publication about his spiral instrument was well received in the American science community and in England, putting him into the upper ranks of American science at the time.<sup id="cite_ref-34" class="reference"><a href="#cite_note-34"><span class="cite-bracket">[</span>34<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-35" class="reference"><a href="#cite_note-35"><span class="cite-bracket">[</span>35<span class="cite-bracket">]</span></a></sup> </p><p> British experimenter William Sturgeon reprinted Page's article in his journal <i>Annals of Electricity</i>. Sturgeon provided an analysis of the electromagnetic effect involved;<sup id="cite_ref-36" class="reference"><a href="#cite_note-36"><span class="cite-bracket">[</span>36<span class="cite-bracket">]</span></a></sup> Page drew on and expanded Sturgeon's analysis in his own later work. Sturgeon devised coils that were adaptations of Page's instrument, where battery current flowed through one, inner, segment of a coil, and electrical shock was taken from the entire length of a coil.<sup id="cite_ref-:4_37-0" class="reference"><a href="#cite_note-:4-37"><span class="cite-bracket">[</span>37<span class="cite-bracket">]</span></a></sup></p><figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:CGPagecoil.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/9/94/CGPagecoil.jpg/220px-CGPagecoil.jpg" decoding="async" width="220" height="186" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/94/CGPagecoil.jpg/330px-CGPagecoil.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/94/CGPagecoil.jpg/440px-CGPagecoil.jpg 2x" data-file-width="1104" data-file-height="934" /></a><figcaption>Charles Grafton Page's double helix coil, as marketed in 1848 for $8.00 by Boston instrument maker Daniel Davis Jr.<sup id="cite_ref-38" class="reference"><a href="#cite_note-38"><span class="cite-bracket">[</span>38<span class="cite-bracket">]</span></a></sup></figcaption></figure><p>Through the input from Sturgeon, as well as his own continuing researches, Page developed coil instruments that were the foundation for the eventual <a href="/wiki/Induction_coil" title="Induction coil">induction coil</a>.<sup id="cite_ref-:4_37-1" class="reference"><a href="#cite_note-:4-37"><span class="cite-bracket">[</span>37<span class="cite-bracket">]</span></a></sup> These instruments had two wires. One wire, termed the <i>primary</i>, carried battery current; a shock was taken across the ends of the other much longer wire, termed the <i>secondary</i> (see <a href="/wiki/Transformer" title="Transformer">transformer</a>). The primary wire was wound concentrically over an iron core; the secondary was wound over that. Page developed a deep understanding of the underlying behaviors.<sup id="cite_ref-39" class="reference"><a href="#cite_note-39"><span class="cite-bracket">[</span>39<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-40" class="reference"><a href="#cite_note-40"><span class="cite-bracket">[</span>40<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-41" class="reference"><a href="#cite_note-41"><span class="cite-bracket">[</span>41<span class="cite-bracket">]</span></a></sup> In Page's published account of his coil, he termed it and its contact breaker the 'Compound Electro-Magnet and Electrotome'.<sup id="cite_ref-42" class="reference"><a href="#cite_note-42"><span class="cite-bracket">[</span>42<span class="cite-bracket">]</span></a></sup> Page's patent model for this coil is on display at the <a href="/wiki/National_Museum_of_American_History" title="National Museum of American History">National Museum of American History</a>. </p><p>In a subsequent experiment with a spiral conductor, Page mounted it rigidly between the poles of a suspended horseshoe magnet. When current stopped flowing in the spiral, a tone could be heard from the magnet, which Page termed 'galvanic music'.<sup id="cite_ref-43" class="reference"><a href="#cite_note-43"><span class="cite-bracket">[</span>43<span class="cite-bracket">]</span></a></sup> Thirty years later, <a href="/wiki/Alexander_Graham_Bell" title="Alexander Graham Bell">Alexander Graham Bell</a> cited Page's galvanic music as an important precedent for his development of telephony.<sup id="cite_ref-44" class="reference"><a href="#cite_note-44"><span class="cite-bracket">[</span>44<span class="cite-bracket">]</span></a></sup> </p><p>An astute observer and exploratory experimenter, Page invented many other electromagnetic devices. Some of these involved the electromagnetic motor effect in original ways. Many prototypes devised by Page were turned into products manufactured and marketed by Boston instrument-maker Daniel Davis, Jr., the first American to specialize in magnetic philosophical instruments.<sup id="cite_ref-45" class="reference"><a href="#cite_note-45"><span class="cite-bracket">[</span>45<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-46" class="reference"><a href="#cite_note-46"><span class="cite-bracket">[</span>46<span class="cite-bracket">]</span></a></sup> </p><p> While consulting with <a href="/wiki/Samuel_F.B._Morse" class="mw-redirect" title="Samuel F.B. Morse">Samuel F.B. Morse</a> and <a href="/wiki/Alfred_Lewis_Vail" class="mw-redirect" title="Alfred Lewis Vail">Alfred Lewis Vail</a> on the development of [telegraph] apparatus and techniques, Page contributed to the adoption of suspended wires using a ground return, designed a signal receiver magnet and tested a magneto as a source to substitute for the battery.<sup id="cite_ref-47" class="reference"><a href="#cite_note-47"><span class="cite-bracket">[</span>47<span class="cite-bracket">]</span></a></sup></p><figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:CGPagelocomotive.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f9/CGPagelocomotive.jpg/220px-CGPagelocomotive.jpg" decoding="async" width="220" height="142" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f9/CGPagelocomotive.jpg/330px-CGPagelocomotive.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f9/CGPagelocomotive.jpg/440px-CGPagelocomotive.jpg 2x" data-file-width="903" data-file-height="581" /></a><figcaption>Charles Grafton Page's electromagnetic locomotive.<sup id="cite_ref-48" class="reference"><a href="#cite_note-48"><span class="cite-bracket">[</span>48<span class="cite-bracket">]</span></a></sup></figcaption></figure> <p>During the 1840s, Page developed what he termed the Axial Engine. This instrument used an electromagnetic solenoid coil to draw an iron rod into its hollow interior. The rod's displacement opened a switch that stopped current from flowing in the coil; then being unattracted, the rod reverted out of the coil, and this cycle repeated again. The resulting <a href="/wiki/Reciprocating_motion" title="Reciprocating motion">reciprocating motion</a> of the rod back and forth, into and out of the coil, was converted to rotary motion by the mechanism. After demonstrating uses of this engine to run saws and pumps, Page successfully petitioned the <a href="/wiki/U.S._Senate" class="mw-redirect" title="U.S. Senate">U.S. Senate</a> for funds to produce an electromagnetic locomotive, based on this design.<sup id="cite_ref-49" class="reference"><a href="#cite_note-49"><span class="cite-bracket">[</span>49<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-:11_50-0" class="reference"><a href="#cite_note-:11-50"><span class="cite-bracket">[</span>50<span class="cite-bracket">]</span></a></sup> </p><p>With these funds plus personal resources that took him into debt, Page built and tested the first full-sized electromagnetic locomotive, preceded only by the 1842 battery-powered model-sized <i>Galvani</i> of Scottish inventor <a href="/wiki/Robert_Davidson_(inventor)" title="Robert Davidson (inventor)">Robert Davidson</a>. Along the way, Page constructed a series of motors, revisions of the axial engine having different dimensions and mechanical features, which he tested thoroughly. The motor operated on large electrochemical cells, acid batteries having as electrodes zinc and costly platinum, with fragile clay diaphragms between the cells. Page's 1850 <a href="/wiki/American_Association_for_the_Advancement_of_Science" title="American Association for the Advancement of Science">American Association for the Advancement of Science</a> presentation about his progress impressed Joseph Henry, Benjamin Silliman and other leading scientists.<sup id="cite_ref-51" class="reference"><a href="#cite_note-51"><span class="cite-bracket">[</span>51<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-:11_50-1" class="reference"><a href="#cite_note-:11-50"><span class="cite-bracket">[</span>50<span class="cite-bracket">]</span></a></sup> </p><p>On April 29, 1851, Page boosted its motors from 8 to 20 HP power. Page conducted a full test, intending to run the 21,000 pound locomotive from Washington DC to Baltimore and back with passengers on board, but problems immediately arose. <a href="/wiki/High_voltage" title="High voltage">High voltage</a> sparks, resulting from the effect Page had investigated with the spiral conductor, broke through the <a href="/wiki/Electrical_insulation" class="mw-redirect" title="Electrical insulation">insulation</a> of the electrical coils, resulting in <a href="/wiki/Short_circuit" title="Short circuit">short circuits</a>. Many of the battery's fragile clay dividers cracked on starting up; others broke down during operation. Page and his mechanic Ari Davis struggled to make repairs and keep the locomotive running. With some periods of steady running, the nearly silent engine traveled 5 miles (8.0 km) to <a href="/wiki/Bladensburg,_Maryland" title="Bladensburg, Maryland">Bladensburg, Maryland</a>, at a top speed of 19 miles per hour (31 km/h). Page reversed direction there, for what was an arduous, calamity-laced return to the National Capitol.<sup id="cite_ref-52" class="reference"><a href="#cite_note-52"><span class="cite-bracket">[</span>52<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-:11_50-2" class="reference"><a href="#cite_note-:11-50"><span class="cite-bracket">[</span>50<span class="cite-bracket">]</span></a></sup> </p><p>The failures of Page's electromagnetic locomotive test run were cautionary to other inventors who eventually found other means than batteries to produce electrically driven locomotion. Before Page began his attempt, work such as that of <a href="/wiki/James_Prescott_Joule" title="James Prescott Joule">James Prescott Joule</a> had generated a general consensus among scientists that "the battery powered motor was a hopelessly impractical device".<sup id="cite_ref-53" class="reference"><a href="#cite_note-53"><span class="cite-bracket">[</span>53<span class="cite-bracket">]</span></a></sup> Page had disregarded those findings. He himself never gave up believing in the practical potential of his design.<sup id="cite_ref-54" class="reference"><a href="#cite_note-54"><span class="cite-bracket">[</span>54<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Unmasking_pseudoscience">Unmasking pseudoscience</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Charles_Grafton_Page&action=edit&section=4" title="Edit section: Unmasking pseudoscience"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Comfortable himself in public performance as a popular lecturer and singer, being skilled in ventriloquism as well,<sup id="cite_ref-55" class="reference"><a href="#cite_note-55"><span class="cite-bracket">[</span>55<span class="cite-bracket">]</span></a></sup> Page was astute in detecting the misuse of performative acts in defrauding a gullible public. One class of fraudulent schemes prevalent at the time involved communications with spirits by means of rapping sounds, the motion of a table, or other such signs produced in the vicinity of the perpetrator-medium. The sounds and motions were attributed to occult forces and forms of electricity. The <a href="/wiki/Fox_sisters" title="Fox sisters">Fox sisters</a>, of Rochester New York, made these claims notorious by exhibiting in public and private settings, while collecting money from their audiences. </p><p>Investigating some of these performers in person, Page produced a book that exposes various means of deception they employed.<sup id="cite_ref-56" class="reference"><a href="#cite_note-56"><span class="cite-bracket">[</span>56<span class="cite-bracket">]</span></a></sup> He described his analysis of these techniques during a sitting with the Fox sisters. Each time a critical observer peered under the table around which the sisters were seated, the spirit rapping ceased; whenever the observer sat upright, the sounds recommenced.<sup id="cite_ref-57" class="reference"><a href="#cite_note-57"><span class="cite-bracket">[</span>57<span class="cite-bracket">]</span></a></sup> Page asked to have the spirit sounds displayed elsewhere than via the table. One sister climbed into a wardrobe closet. Page identified where her long dress (concealing a stick or other apparatus) contacted the wardrobe. Through his expert knowledge of ventriloquism, Page detected how this performer was misdirecting the viewer's attention away from the actual source of the sound while building expectations to suppose the sound came from elsewhere than the source. However the trick was "poorly done" and the girl could not control it so as to produce any spirit communication.<sup id="cite_ref-58" class="reference"><a href="#cite_note-58"><span class="cite-bracket">[</span>58<span class="cite-bracket">]</span></a></sup> </p><p> Going on to reveal other fraudulent practices, Page addressed the relationship at work between performer and audience by which both functioned as perpetrators: </p><blockquote><p>The prime movers in all these marvels are ''impostors'', and their disciples, ''dupes''. While the former are filling their coffers at the expense of the latter, they must often indulge in secret merriment at the credulity of their adherents, and particularly at the grave discussions of the learned clergy and others upon electricity, magnetism the new fluid... or the devil's immediate agency.... The instant the idea of the superhuman gets possession of the mind all fitness for investigation and power of analysis begins to vanish, and credulity swells to its utmost capacity. The most glaring inconsistencies and absurdities are not discerned and are swallowed whole....<sup id="cite_ref-59" class="reference"><a href="#cite_note-59"><span class="cite-bracket">[</span>59<span class="cite-bracket">]</span></a></sup></p></blockquote><p>Page's efforts to expose these frauds at their human roots stems in part from his keen concern for furthering the public understanding of science and their proficient use of its findings and benefits.<sup id="cite_ref-60" class="reference"><a href="#cite_note-60"><span class="cite-bracket">[</span>60<span class="cite-bracket">]</span></a></sup> In this undertaking, Page allied with contemporary Michael Faraday<sup id="cite_ref-61" class="reference"><a href="#cite_note-61"><span class="cite-bracket">[</span>61<span class="cite-bracket">]</span></a></sup> and other scientists who have sought to debunk the unscrupulous applications of <a href="/wiki/Pseudoscience" title="Pseudoscience">pseudoscience</a> upon a willing and gullible public. </p><div class="mw-heading mw-heading2"><h2 id="Controversy_and_impact_from_politics,_war,_and_patents"><span id="Controversy_and_impact_from_politics.2C_war.2C_and_patents"></span>Controversy and impact from politics, war, and patents</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Charles_Grafton_Page&action=edit&section=5" title="Edit section: Controversy and impact from politics, war, and patents"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>As with the challenge to <a href="/wiki/Spiritualism_(beliefs)" title="Spiritualism (beliefs)">spiritualism</a> described above, Page's scientific undertakings brought him into public arenas where politics and controversy held sway. Eloquent, combative, keen-minded and persistent, Page made his commitments known. Increasingly, Page's self-chosen and sometimes self-serving commitments diverged from the norms of behavior sanctioned by society and the elitism of the emerging professionalist trend in science. The resulting tarnish to Page's reputation impacted him during his lifetime and contributed to the longstanding historical neglect of his scientific work and personal story, thereby reducing general understanding of the complexity of the American experience in science.<sup id="cite_ref-62" class="reference"><a href="#cite_note-62"><span class="cite-bracket">[</span>62<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-:5_31-1" class="reference"><a href="#cite_note-:5-31"><span class="cite-bracket">[</span>31<span class="cite-bracket">]</span></a></sup> </p><p>A tension early to arise in his career as patent examiner was that of the conflict of interest between the privileged information he had regarding applicants' patents, and his private consulting with particular inventors on the side. Following his appearance in the 1848 Morse v O'Reilly lawsuit over the telegraph, Page took a more careful stance in his role as patent examiner. Thereafter, he refrained from transmitting such privileged information to rival patent applicants.<sup id="cite_ref-63" class="reference"><a href="#cite_note-63"><span class="cite-bracket">[</span>63<span class="cite-bracket">]</span></a></sup> </p><p>However, the well-paid public post of patent examiner put the occupants continually under scrutiny by politicians, scientists, and aspiring inventors. Both Congress and the executive branch exerted control and influence over policy and practices in the patent office.<sup id="cite_ref-64" class="reference"><a href="#cite_note-64"><span class="cite-bracket">[</span>64<span class="cite-bracket">]</span></a></sup> </p><p>In the early years of the <a href="/wiki/United_States_Patent_and_Trademark_Office" title="United States Patent and Trademark Office">United States Patent and Trademark Office</a>, a patent examiner was expected to be highly trained, knowledgeable in all the sciences, informed on current and past technology. Page was an exemplar of this ideal. </p><p>As Page continued in the job, the number of patents submitted to the agency increased sharply, while the number of patents granted was the same or less, and the number of patent examiners was unchanged.<sup id="cite_ref-65" class="reference"><a href="#cite_note-65"><span class="cite-bracket">[</span>65<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-66" class="reference"><a href="#cite_note-66"><span class="cite-bracket">[</span>66<span class="cite-bracket">]</span></a></sup> Inventors seeking patents, becoming incensed about decisions made against them, coalesced into a lobby with a voice projected through the journal <i><a href="/wiki/Scientific_American" title="Scientific American">Scientific American</a></i>. This lobby advocated "liberalization" — more leniency in the granting of patents, giving the inventor the "benefit of the doubt"— and argued against the scientific research being sponsored by the <a href="/wiki/Smithsonian_Institution" title="Smithsonian Institution">Smithsonian Institution</a> under Joseph Henry.<sup id="cite_ref-67" class="reference"><a href="#cite_note-67"><span class="cite-bracket">[</span>67<span class="cite-bracket">]</span></a></sup> </p><p>Henry took a hard line, decrying inventors' "futile attempts to innovate and improve".<sup id="cite_ref-68" class="reference"><a href="#cite_note-68"><span class="cite-bracket">[</span>68<span class="cite-bracket">]</span></a></sup> The elite professionalized science that Henry was building up through the Smithsonian and other organizations treated as low status the having or seeking of a patent; patents were not considered a contribution to science. While Page set out to show that gaining patents was genuine scientific work, he fell out of favor with the scientific establishment. His friendship with Henry petered out, and Page was no longer held in high regard as part of elite science.<sup id="cite_ref-69" class="reference"><a href="#cite_note-69"><span class="cite-bracket">[</span>69<span class="cite-bracket">]</span></a></sup> </p><p>Page shifted in his position on the granting of patents. As an examiner of patents, he was scrupulous and fair. Through his own experience as an inventor and association with other inventors, he allied with their concerns. On his resignation from the patent agency, Page used the journal he founded and edited as a forum to critique and even lambast the agency and policies which he had upheld for 10 years prior. </p> <style data-mw-deduplicate="TemplateStyles:r1244412712">.mw-parser-output .templatequote{overflow:hidden;margin:1em 0;padding:0 32px}.mw-parser-output .templatequotecite{line-height:1.5em;text-align:left;margin-top:0}@media(min-width:500px){.mw-parser-output .templatequotecite{padding-left:1.6em}}</style><blockquote class="templatequote"><p>Having had much to do with shaping policy from inside the (patent) office, he also played a crucial role in reshaping it from the outside(Post, 1976a, p. 151).</p></blockquote> <p>Following the example of Samuel Morse, who developed the telegraph to commercial viability through assistance from federal government funds, Page sought a similar level of support for his electromagnetically powered locomotive. He found a political ally in <a href="/wiki/Thomas_Hart_Benton_(politician)" title="Thomas Hart Benton (politician)">Thomas Hart Benton</a>, senator from Missouri. Benton's passionate rhetoric on behalf of Page's vision was instrumental in securing unanimous support for a Senate allocation of $20,000 to fund Page's project through the Department of Navy.<sup id="cite_ref-70" class="reference"><a href="#cite_note-70"><span class="cite-bracket">[</span>70<span class="cite-bracket">]</span></a></sup> By the end of that year (1849), Page reported to the Navy that he was collaborating on the project with a mechanic, Ari Davis, the brother of Daniel Davis Jr., but had nothing yet to show. In print, inventor <a href="/wiki/Thomas_Davenport_(inventor)" title="Thomas Davenport (inventor)">Thomas Davenport (inventor)</a> challenged the expenditure of public funds on Page's project, claiming that motors he had already invented and built were equal to the task. Page defused that objection by publishing a statement about his unique device.<sup id="cite_ref-71" class="reference"><a href="#cite_note-71"><span class="cite-bracket">[</span>71<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-:1_72-0" class="reference"><a href="#cite_note-:1-72"><span class="cite-bracket">[</span>72<span class="cite-bracket">]</span></a></sup> </p><p>More troubles ensued for the project. Running low on cash, Page asked for more. Speaking in the Senate in the summer of 1850, Benton presented Page's attainment of a force an order of magnitude greater than what the same battery had output under his initial trials. Benton upped the stakes by requesting funds for Page to develop an electromagnetically powered ship of war. This second petition met with serious opposition in the Senate. Senator <a href="/wiki/Henry_Stuart_Foote" class="mw-redirect" title="Henry Stuart Foote">Henry Stuart Foote</a> countered that Page had not proved substantial progress or benefits from his work. Senator <a href="/wiki/Jefferson_Finis_Davis" class="mw-redirect" title="Jefferson Finis Davis">Jefferson Finis Davis</a> objected to the appropriation of government funds to one inventor, while other inventors such as Thomas Davenport went unsupported. Both the US Senate and House nixed any further funds for Page's project. In order to prepare the locomotive for its 1851 trial run, Page went over $6000 into debt.<sup id="cite_ref-73" class="reference"><a href="#cite_note-73"><span class="cite-bracket">[</span>73<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-:1_72-1" class="reference"><a href="#cite_note-:1-72"><span class="cite-bracket">[</span>72<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-:11_50-3" class="reference"><a href="#cite_note-:11-50"><span class="cite-bracket">[</span>50<span class="cite-bracket">]</span></a></sup> In the wake of the failed public test of this locomotive, Page faced a critical press. Gaining no assistance from the world of finance, he emerged from the debacle in "desperate straights, financially and emotionally".<sup id="cite_ref-74" class="reference"><a href="#cite_note-74"><span class="cite-bracket">[</span>74<span class="cite-bracket">]</span></a></sup> </p><p>The <a href="/wiki/American_Civil_War" title="American Civil War">American Civil War</a> wreaked a further devastating impact on Page's scientific work and legacy. In 1863, Union soldiers stationed in the area of Page's home, broke into his laboratory as a random, unprovoked act of violence. His equipment, inventions and laboratory notebooks were destroyed.<sup id="cite_ref-75" class="reference"><a href="#cite_note-75"><span class="cite-bracket">[</span>75<span class="cite-bracket">]</span></a></sup> Some other inventions by Page which he had donated to the Smithsonian Institution were destroyed by a fire there in 1865.<sup id="cite_ref-76" class="reference"><a href="#cite_note-76"><span class="cite-bracket">[</span>76<span class="cite-bracket">]</span></a></sup> As a result of these destructive events, very few of Page's handmade devices exist today.<sup id="cite_ref-:4_37-2" class="reference"><a href="#cite_note-:4-37"><span class="cite-bracket">[</span>37<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-77" class="reference"><a href="#cite_note-77"><span class="cite-bracket">[</span>77<span class="cite-bracket">]</span></a></sup> With little remaining of his experimental work and notes, Page's many contributions have slipped from the view of most historians. </p><p>Suffering debt, terminal illness and isolation from the mainstream scientific community by his last years, Page contrived one final effort to secure credit and status for his achievements. In 1867, he petitioned the United States Congress for a retrospective patent on his inventions of the late 1830s: the spiral conductor, the circuit breakers, the double helical coil.<sup id="cite_ref-78" class="reference"><a href="#cite_note-78"><span class="cite-bracket">[</span>78<span class="cite-bracket">]</span></a></sup> The granting of such a patent transgressed such policies as that an invention in widespread public use for decades can not be patented, and that an employee of the Patent office can not hold a patent. Page circumvented these policies by appealing to nationalism. To support his argument, he published anonymously a lengthy, closely researched yet self-promoting book titled <i>The American Claim to the Induction Coil and its electrostatic Developments</i>.<sup id="cite_ref-79" class="reference"><a href="#cite_note-79"><span class="cite-bracket">[</span>79<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-:10_80-0" class="reference"><a href="#cite_note-:10-80"><span class="cite-bracket">[</span>80<span class="cite-bracket">]</span></a></sup> </p><p>By the 1860s, the induction coil was becoming a prominent instrument of physics research. Instrument-makers in America, Great Britain and the European continent contributed in developing the construction and operation of induction coils.<sup id="cite_ref-:4_37-3" class="reference"><a href="#cite_note-:4-37"><span class="cite-bracket">[</span>37<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-81" class="reference"><a href="#cite_note-81"><span class="cite-bracket">[</span>81<span class="cite-bracket">]</span></a></sup> Premiere among these instrument makers was <a href="/wiki/Heinrich_Daniel_Ruhmkorff" title="Heinrich Daniel Ruhmkorff">Heinrich Daniel Ruhmkorff</a>, who in 1864 received from Emperor <a href="/wiki/Napoleon_III" title="Napoleon III">Napoleon III</a> the prestigious <a href="/wiki/Volta_Prize" title="Volta Prize">Volta Prize</a> along with a 50,000 franc award for his 'invention' of the induction coil. Page maintained that the devices he developed in the 1830s were not markedly different from the induction coil and that other American inventors had filled in with improvements that were better than anything made by Ruhmkorff — and alleging that Ruhmkorff had plagiarized the coil of another American instrument-maker, <a href="/wiki/Edward_Samuel_Ritchie" title="Edward Samuel Ritchie">Edward Samuel Ritchie</a>.<sup id="cite_ref-82" class="reference"><a href="#cite_note-82"><span class="cite-bracket">[</span>82<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-:10_80-1" class="reference"><a href="#cite_note-:10-80"><span class="cite-bracket">[</span>80<span class="cite-bracket">]</span></a></sup> </p><p>A special act passed by the U.S. House and Senate, and signed by President <a href="/wiki/Andrew_Johnson" title="Andrew Johnson">Andrew Johnson</a> authorized what was later dubbed "The Page Patent". Page died a few weeks later, in May 1868. Instead of dying with him, the Page patent went on to play a major role in the politics and economics of the telegraph industry. Page's lawyer and heirs successfully argued that the patent covered the mechanisms involved in "all known forms of telegraphy".<sup id="cite_ref-83" class="reference"><a href="#cite_note-83"><span class="cite-bracket">[</span>83<span class="cite-bracket">]</span></a></sup> An interest in the patent was sold to the <a href="/wiki/Western_Union_Co" class="mw-redirect" title="Western Union Co">Western Union Co</a>; together Western Union and the Page heirs reaped lucrative benefits. Page's patent secured a life 'in style' for his widow and heirs. Although he was no longer living, it figured as yet another violation, on his part, of the behavior code under the emerging professionalization of science of the day, under which science was to be conducted for its own sake, without accruing apparent political or financial gain.<sup id="cite_ref-84" class="reference"><a href="#cite_note-84"><span class="cite-bracket">[</span>84<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Selected_publications">Selected publications</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Charles_Grafton_Page&action=edit&section=6" title="Edit section: Selected publications"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Books">Books</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Charles_Grafton_Page&action=edit&section=7" title="Edit section: Books"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><i>Psychomancy : Spirit-Rppings and Table-Tippings Exposed</i>. New-York: D. Appleton and Company, 1853.</li> <li><i>A Memorial to the Congress of the United States</i>. Washington DC: Polkinhorn & Son, 1867.</li> <li><i>The American Claim to the Induction Coil and its electrostatic developments</i>. Washington DC: Intelligencer Printing House, 1867.</li></ul> <div class="mw-heading mw-heading3"><h3 id="Articles">Articles</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Charles_Grafton_Page&action=edit&section=8" title="Edit section: Articles"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>"Notice of New Electrical Instruments". <i>American Journal of Science</i>, 26 (1834) p. 110-112.</li> <li>"Medical Application of Galvanism"". <i>Boston Medical and Surgical Journal</i> (June 22, 1836) p. 333.</li> <li>"Insect Dissections". <i>Boston Medical and Surgical Journal</i> (July 13, 1836) pp. 364–365.</li> <li>"Method of Increasing Shocks, and Experiments, with Prof. Henry's apparatus for obtaining sparks and shocks from the Calorimotor". <i>American Journal of Science</i>, vol. 31, pp. 137–141; reprinted in <i>Annals of Electricity,</i> vol. 1 (1837), pp. 290–294.</li> <li>"On the Use of the Dynamic Multiplier, with a New Accompanying Apparatus". <i>American Journal of Science</i>, 32 (1837) pp. 354–360.</li> <li>"The Production of Galvanic Music". <i>American Journal of Science</i>, 32 (1837), pp. 396–397.</li> <li>"Experiments in Electromagnetism". <i>American Journal of Science</i>, 33 (1838), pp. 118–120.</li> <li>"New Magnetic Electrical Machine of Great Power". <i>American Journal of Science</i>, 34 B (1838), pp. 163–9.</li> <li>"Researches in Magnetic Electricity and New Magnetic Electrical Instruments". <i>American Journal of Science</i>, 34 (1838) pp. 364–373.</li> <li>"Magneto-Electric and Electro-Magnetic Apparatus and Experiments". <i>American Journal of Science</i>, 35 (1839), pp. 252–268.</li></ul> <div class="mw-heading mw-heading3"><h3 id="Patents">Patents</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Charles_Grafton_Page&action=edit&section=9" title="Edit section: Patents"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>"Head Rest". U.S. Patent 20,507.</li> <li>"Induction Coil Apparatus and Circuit Breaker ", U.S. Patent 76,654.</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=Charles_Grafton_Page&action=edit&section=10" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Notes">Notes</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Charles_Grafton_Page&action=edit&section=11" title="Edit section: Notes"><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 reflist-columns references-column-width reflist-columns-2"> <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">Smithsonian negative 73-5100</span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text">Post, 1976a, p. 139</span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text">Post, (1976a). Quote p. 8.</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">Lane, J. H. (1869). "Charles Grafton Page". <i>American Journal of Science</i>, vol. 48, pp. 1-17.</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">Post, (1976a), p. 144-145.</span> </li> <li id="cite_note-:3-6"><span class="mw-cite-backlink">^ <a href="#cite_ref-:3_6-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-:3_6-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text">Cavicchi, E. (2008). "Charles Grafton Page’s Experiment with a Spiral Conductor". <i>Technology and Culture</i>, 49, p. 893.</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">Lane, J. H. (1869). "Charles Grafton Page". <i>American Journal of Science</i>, vol. 48, pp. 3.</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">Post,(1976a), p. 7</span> </li> <li id="cite_note-9"><span class="mw-cite-backlink"><b><a href="#cite_ref-9">^</a></b></span> <span class="reference-text">Post (1976a). p. 137,160.</span> </li> <li id="cite_note-10"><span class="mw-cite-backlink"><b><a href="#cite_ref-10">^</a></b></span> <span class="reference-text">Lane, J. H. (1869). "Charles Grafton Page". <i>American Journal of Science</i>, vol. 48, p. 17.</span> </li> <li id="cite_note-11"><span class="mw-cite-backlink"><b><a href="#cite_ref-11">^</a></b></span> <span class="reference-text">Post,(1976a), p. 63-5; 177</span> </li> <li id="cite_note-12"><span class="mw-cite-backlink"><b><a href="#cite_ref-12">^</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="CITEREFAssociation" class="citation web cs1">Association, Texas State Historical. <a rel="nofollow" class="external text" href="https://www.tshaonline.org/handbook/entries/page-harvey-lindsley">"Page, Harvey Lindsley"</a>. <i>Texas State Historical Association</i><span class="reference-accessdate">. Retrieved <span class="nowrap">2023-11-24</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Texas+State+Historical+Association&rft.atitle=Page%2C+Harvey+Lindsley&rft.aulast=Association&rft.aufirst=Texas+State+Historical&rft_id=https%3A%2F%2Fwww.tshaonline.org%2Fhandbook%2Fentries%2Fpage-harvey-lindsley&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACharles+Grafton+Page" class="Z3988"></span></span> </li> <li id="cite_note-:0-13"><span class="mw-cite-backlink">^ <a href="#cite_ref-:0_13-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-:0_13-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text">Lane, J. H. (1869). "Charles Grafton Page". <i>American Journal of Science</i>, vol. 48, pp. 2-3.</span> </li> <li id="cite_note-14"><span class="mw-cite-backlink"><b><a href="#cite_ref-14">^</a></b></span> <span class="reference-text">Post,(1976a), p. 44</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">Post (1976a), p. 46, 142-145.</span> </li> <li id="cite_note-16"><span class="mw-cite-backlink"><b><a href="#cite_ref-16">^</a></b></span> <span class="reference-text">Lane, J. H. (1869). "Charles Grafton Page". <i>American Journal of Science</i>, vol. 48, pp. 1-2.</span> </li> <li id="cite_note-17"><span class="mw-cite-backlink"><b><a href="#cite_ref-17">^</a></b></span> <span class="reference-text">Post, 1976a, p. 159.</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">Post, 1976a, p. 163-163.</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">Post,(1976a), p. 71-72.</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">Post, 1976a, p. 164-170.</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">Lane, J. H. (1869). "Charles Grafton Page". <i>American Journal of Science</i>, vol. 48, p. 1.</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">Post,(1976a), p. 12.</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">Henry, J. (1835). "Appendix to the Above". <i>American Journal of Science</i>. July 1835, 28, pp. 329–331.</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">Faraday, M. (1835). "On the influence by induction of an Electric Current on Itself:— and on the Inductive Action of Electric Currents Generally". Reprint on <i>Experimental Researches in Electricity</i>, 3 vols., 1839, vol. 1, pp. 1048-1118.</span> </li> <li id="cite_note-25"><span class="mw-cite-backlink"><b><a href="#cite_ref-25">^</a></b></span> <span class="reference-text">Faraday, M. (1831). "On the Induction of Electric Currents, First Series, read Nov. 24, 1831". Reprint in <i>Experimental Researches in Electricity</i>, vol. 1, pp. 27-32.</span> </li> <li id="cite_note-:7-26"><span class="mw-cite-backlink">^ <a href="#cite_ref-:7_26-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-:7_26-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-:7_26-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-:7_26-3"><sup><i><b>d</b></i></sup></a></span> <span class="reference-text">Page, C. G. "Method of Increasing Shocks, and Experiments, with Prof. Henry's apparatus for obtaining sparks and shocks from the Calorimotor". <i>American Journal of Science</i>, vol. 31, pp. 137-141; reprinted in <i>Annals of Electricity,</i> vol. 1 (1837), pp. 290–294.</span> </li> <li id="cite_note-:2-27"><span class="mw-cite-backlink">^ <a href="#cite_ref-:2_27-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-:2_27-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-:2_27-2"><sup><i><b>c</b></i></sup></a></span> <span class="reference-text">Cavicchi, E. (2005). "Sparks, Shocks and Voltage Traces as Windows into Experience: The Spiraled Conductor and Star Wheel Interrupter of Charles Grafton Page". <i>Archives des Sciences</i>, 58, pp. 123–136.</span> </li> <li id="cite_note-28"><span class="mw-cite-backlink"><b><a href="#cite_ref-28">^</a></b></span> <span class="reference-text">Cavicchi, E. (2008). "Charles Grafton Page’s Experiment with a Spiral Conductor". <i>Technology and Culture</i>, 49, pp. 884–907.</span> </li> <li id="cite_note-:6-29"><span class="mw-cite-backlink">^ <a href="#cite_ref-:6_29-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-:6_29-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text">Page, C. G. "Medical Application of Galvanism"". <i>Boston Medical and Surgical Journal</i> (June 22, 1836) p. 333.</span> </li> <li id="cite_note-:8-30"><span class="mw-cite-backlink"><b><a href="#cite_ref-:8_30-0">^</a></b></span> <span class="reference-text">Page, C. G. "Method of Increasing Shocks, and Experiments, with Prof. Henry's apparatus for obtaining sparks and shocks from the Calorimotor". <i>American Journal of Science</i>, vol. 31, pp. 137-141; reprinted in <i>Annals of Electricity,</i> vol. 1 (1837), pp. 290–294.</span> </li> <li id="cite_note-:5-31"><span class="mw-cite-backlink">^ <a href="#cite_ref-:5_31-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-:5_31-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text">Cavicchi, E. (2008). Charles Grafton Page’s Experiment with a Spiral Conductor. <i>Technology and Culture</i>, 49, pp. 884–907.</span> </li> <li id="cite_note-:9-32"><span class="mw-cite-backlink">^ <a href="#cite_ref-:9_32-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-:9_32-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text">Page, C. G. (1837b). On the use of the Dynamic Multiplier, with a new accompanying apparatus. <i>American Journal of Science</i>, 32, pp. 354–360.</span> </li> <li id="cite_note-33"><span class="mw-cite-backlink"><b><a href="#cite_ref-33">^</a></b></span> <span class="reference-text">Cavicchi, E. (2008). "Charles Grafton Page’s Experiment with a Spiral Conductor". <i>Technology and Culture</i>, 49, p. 906.</span> </li> <li id="cite_note-34"><span class="mw-cite-backlink"><b><a href="#cite_ref-34">^</a></b></span> <span class="reference-text">Post, 1976a.</span> </li> <li id="cite_note-35"><span class="mw-cite-backlink"><b><a href="#cite_ref-35">^</a></b></span> <span class="reference-text">Fleming, J. A. (1892). <i>The Alternate Current Transformer in Theory and Practice</i>. 2 vols., London: The Electrician’ Printing and Publishing Company.</span> </li> <li id="cite_note-36"><span class="mw-cite-backlink"><b><a href="#cite_ref-36">^</a></b></span> <span class="reference-text">Sturgeon, W. (1837). "Explanation of the Phenomena". <i>Annals of Electricity</i>, vol. 1, pp. 294–295.</span> </li> <li id="cite_note-:4-37"><span class="mw-cite-backlink">^ <a href="#cite_ref-:4_37-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-:4_37-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-:4_37-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-:4_37-3"><sup><i><b>d</b></i></sup></a></span> <span class="reference-text">Cavicchi, E. (2006). " Nineteenth Century Developments in Coiled Instruments and Experiences with Electromagnetic Induction". <i>Annals of Science</i>, 63, pp. 319–361.</span> </li> <li id="cite_note-38"><span class="mw-cite-backlink"><b><a href="#cite_ref-38">^</a></b></span> <span class="reference-text">Davis Jr., D. (1848). <i>Catalogue of Apparatus</i>. Boston: Daniel Davis, Jr. Fig. 183, p. 37.</span> </li> <li id="cite_note-39"><span class="mw-cite-backlink"><b><a href="#cite_ref-39">^</a></b></span> <span class="reference-text">Page, C. G. "Researches in Magnetic Electricity and New Magnetic Electrical Instruments". <i>American Journal of Science</i>, 34 (1838) pp. 364–373.</span> </li> <li id="cite_note-40"><span class="mw-cite-backlink"><b><a href="#cite_ref-40">^</a></b></span> <span class="reference-text">Page, C. G. "Experiments in Electromagnetism". <i>American Journal of Science</i>, 33 (1838), pp. 118–120.</span> </li> <li id="cite_note-41"><span class="mw-cite-backlink"><b><a href="#cite_ref-41">^</a></b></span> <span class="reference-text">Page, C. G. "New Magnetic Electrical Machine of Great Power". <i>American Journal of Science</i>, 34 B (1838), pp. 163–9.</span> </li> <li id="cite_note-42"><span class="mw-cite-backlink"><b><a href="#cite_ref-42">^</a></b></span> <span class="reference-text">"Magneto-Electric and Electro-Magnetic Apparatus and Experiments". <i>American Journal of Science</i>, 35 (1839), p. 253.</span> </li> <li id="cite_note-43"><span class="mw-cite-backlink"><b><a href="#cite_ref-43">^</a></b></span> <span class="reference-text">Page, C. G. The Production of Galvanic Music". <i>American Journal of Science</i>, 32 (1837), pp. 396–397.</span> </li> <li id="cite_note-44"><span class="mw-cite-backlink"><b><a href="#cite_ref-44">^</a></b></span> <span class="reference-text">Bell, A. G. (1876-1877). "Researches in Telephony". <i>Proceedings of the American Academy of Arts and Sciences</i>, vol.12, pp. 1–10.</span> </li> <li id="cite_note-45"><span class="mw-cite-backlink"><b><a href="#cite_ref-45">^</a></b></span> <span class="reference-text">Davis Jr., D. (1838). <i>Catalogue of Apparatus</i>. Boston: Daniel Davis, Jr.</span> </li> <li id="cite_note-46"><span class="mw-cite-backlink"><b><a href="#cite_ref-46">^</a></b></span> <span class="reference-text">Davis Jr., D. (1842). <i>Manual of Magnetism</i>. Boston: Daniel Davis, Jr.</span> </li> <li id="cite_note-47"><span class="mw-cite-backlink"><b><a href="#cite_ref-47">^</a></b></span> <span class="reference-text">[Post,(1976a), p. 66-68.]</span> </li> <li id="cite_note-48"><span class="mw-cite-backlink"><b><a href="#cite_ref-48">^</a></b></span> <span class="reference-text">Page, 1854, <i>American Polytechnic Journal</i>, 257</span> </li> <li id="cite_note-49"><span class="mw-cite-backlink"><b><a href="#cite_ref-49">^</a></b></span> <span class="reference-text">Post 1976a, p. 81-82.</span> </li> <li id="cite_note-:11-50"><span class="mw-cite-backlink">^ <a href="#cite_ref-:11_50-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-:11_50-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-:11_50-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-:11_50-3"><sup><i><b>d</b></i></sup></a></span> <span class="reference-text">Post, R. C. (1972). "The Page Locomotive: Federal Sponsorship of Invention in Mid-19th-Century America". <i>Technology and Culture</i>, vol.13, pp. 140–169.</span> </li> <li id="cite_note-51"><span class="mw-cite-backlink"><b><a href="#cite_ref-51">^</a></b></span> <span class="reference-text">Post 1976a, p. 91-93.</span> </li> <li id="cite_note-52"><span class="mw-cite-backlink"><b><a href="#cite_ref-52">^</a></b></span> <span class="reference-text">Post 1976a, p. 96-99.</span> </li> <li id="cite_note-53"><span class="mw-cite-backlink"><b><a href="#cite_ref-53">^</a></b></span> <span class="reference-text">Post, 1976a, p. 83</span> </li> <li id="cite_note-54"><span class="mw-cite-backlink"><b><a href="#cite_ref-54">^</a></b></span> <span class="reference-text">Post 1972; 1976a, p. 99-103.</span> </li> <li id="cite_note-55"><span class="mw-cite-backlink"><b><a href="#cite_ref-55">^</a></b></span> <span class="reference-text">Page, C. W. <i>Psychomancy : Spirit-Rppings and Table-Tippings Exposed</i>. New-York: D. Appleton and Company, 1853, p. 24.</span> </li> <li id="cite_note-56"><span class="mw-cite-backlink"><b><a href="#cite_ref-56">^</a></b></span> <span class="reference-text">Page, C. G. <i>Psychomancy : Spirit-Rppings and Table-Tippings Exposed</i>. New-York: D. Appleton and Company, 1853.</span> </li> <li id="cite_note-57"><span class="mw-cite-backlink"><b><a href="#cite_ref-57">^</a></b></span> <span class="reference-text">Page, C. G. <i>Psychomancy : Spirit-Rppings and Table-Tippings Exposed</i>. New-York: D. Appleton and Company, 1853., p. 37.</span> </li> <li id="cite_note-58"><span class="mw-cite-backlink"><b><a href="#cite_ref-58">^</a></b></span> <span class="reference-text">Page, C. G. <i>Psychomancy : Spirit-Rppings and Table-Tippings Exposed</i>. New-York: D. Appleton and Company, 1853, p. 43-42.</span> </li> <li id="cite_note-59"><span class="mw-cite-backlink"><b><a href="#cite_ref-59">^</a></b></span> <span class="reference-text">Page, C. G. <i>Psychomancy : Spirit-Rppings and Table-Tippings Exposed</i>. New-York: D. Appleton and Company, 1853, p. 33-34, 69</span> </li> <li id="cite_note-60"><span class="mw-cite-backlink"><b><a href="#cite_ref-60">^</a></b></span> <span class="reference-text">Post,(1976a), p. 131.</span> </li> <li id="cite_note-61"><span class="mw-cite-backlink"><b><a href="#cite_ref-61">^</a></b></span> <span class="reference-text">Faraday, M. (1855). "Observations on Mental Education". <i>Lectures on Education Delivered at the Royal Institution</i>. London: J. W. Parker and Son. p.54.</span> </li> <li id="cite_note-62"><span class="mw-cite-backlink"><b><a href="#cite_ref-62">^</a></b></span> <span class="reference-text">Post, 1976a</span> </li> <li id="cite_note-63"><span class="mw-cite-backlink"><b><a href="#cite_ref-63">^</a></b></span> <span class="reference-text">Post,(1976a), p. 72.</span> </li> <li id="cite_note-64"><span class="mw-cite-backlink"><b><a href="#cite_ref-64">^</a></b></span> <span class="reference-text">Post, 1976a, p. 47.</span> </li> <li id="cite_note-65"><span class="mw-cite-backlink"><b><a href="#cite_ref-65">^</a></b></span> <span class="reference-text">Post, 1976a, p.55-59</span> </li> <li id="cite_note-66"><span class="mw-cite-backlink"><b><a href="#cite_ref-66">^</a></b></span> <span class="reference-text">Cooper, C. C. (1991). <i>Shaping Invention: Thomas Blanchard's Machinery and Patent Management in Nineteenth-Century America</i>, New York: Columbia University Press. pp. 32-38.</span> </li> <li id="cite_note-67"><span class="mw-cite-backlink"><b><a href="#cite_ref-67">^</a></b></span> <span class="reference-text">Post, 1976a, p. 110-126.</span> </li> <li id="cite_note-68"><span class="mw-cite-backlink"><b><a href="#cite_ref-68">^</a></b></span> <span class="reference-text">Post, 1976a, p. 129.</span> </li> <li id="cite_note-69"><span class="mw-cite-backlink"><b><a href="#cite_ref-69">^</a></b></span> <span class="reference-text">Post, 1976a, p. 130-141</span> </li> <li id="cite_note-70"><span class="mw-cite-backlink"><b><a href="#cite_ref-70">^</a></b></span> <span class="reference-text">Post,(1976a), p. 84-87.</span> </li> <li id="cite_note-71"><span class="mw-cite-backlink"><b><a href="#cite_ref-71">^</a></b></span> <span class="reference-text">Post,1976a, p. 89-90</span> </li> <li id="cite_note-:1-72"><span class="mw-cite-backlink">^ <a href="#cite_ref-:1_72-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-:1_72-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text">Schiffer, M. B. (2008). <i>Power Struggles: Scientific Authority and the Creation of Practical Electricity Before Edison.</i> Cambridge: MIT Press. pp. 155-174.</span> </li> <li id="cite_note-73"><span class="mw-cite-backlink"><b><a href="#cite_ref-73">^</a></b></span> <span class="reference-text">Post, 1976a, p.94-97</span> </li> <li id="cite_note-74"><span class="mw-cite-backlink"><b><a href="#cite_ref-74">^</a></b></span> <span class="reference-text">Post, 1976a, p. 100.</span> </li> <li id="cite_note-75"><span class="mw-cite-backlink"><b><a href="#cite_ref-75">^</a></b></span> <span class="reference-text">Post, 1976a, p. 164</span> </li> <li id="cite_note-76"><span class="mw-cite-backlink"><b><a href="#cite_ref-76">^</a></b></span> <span class="reference-text">Post, 1976a, p. 69</span> </li> <li id="cite_note-77"><span class="mw-cite-backlink"><b><a href="#cite_ref-77">^</a></b></span> <span class="reference-text">Pantalony, D., Kremer, R. L., and Manasek, F. J., (2005). <i>Study, Measure, Experiment: Dartmouth's Allen King Collection of Scientific Instruments</i>. Norwich: Terra Nova Press. p. 157-159;</span> </li> <li id="cite_note-78"><span class="mw-cite-backlink"><b><a href="#cite_ref-78">^</a></b></span> <span class="reference-text">Page, C. G. <i>A Memorial to the Congress of the United States</i>. Washington DC: Polkinhorn & Son, 1867.</span> </li> <li id="cite_note-79"><span class="mw-cite-backlink"><b><a href="#cite_ref-79">^</a></b></span> <span class="reference-text">Post, R. C. (1976b). "Sparks from the Induction Coil: The Volta Prize and the Page Patent". <i>Proceedings of the IEEE</i>, vol. 64, pp. 1281-1283.</span> </li> <li id="cite_note-:10-80"><span class="mw-cite-backlink">^ <a href="#cite_ref-:10_80-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-:10_80-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text">Page, C. G. <i>The American Claim to the Induction Coil and its electrostatic developments</i>. Washington DC: Intelligencer Printing House, 1867.</span> </li> <li id="cite_note-81"><span class="mw-cite-backlink"><b><a href="#cite_ref-81">^</a></b></span> <span class="reference-text">Cavicchi, E. (1999). <i>Experimenting With Wires, Batteries, Bulbs and the Induction Coil: Narratives of teaching and learning physics in the electrical investigations of Laura, David, Jamie, Myself and the Nineteenth Century Experimenters – Our developments and instruments</i>. Unpublished doctoral dissertation, Cambridge: Harvard University.</span> </li> <li id="cite_note-82"><span class="mw-cite-backlink"><b><a href="#cite_ref-82">^</a></b></span> <span class="reference-text">Post, R. C. (1976b). "Sparks from the Induction Coil: The Volta Prize and the Page Patent". <i>Proceedings of the IEEE</i>, vol. 64, p. 1283.</span> </li> <li id="cite_note-83"><span class="mw-cite-backlink"><b><a href="#cite_ref-83">^</a></b></span> <span class="reference-text">Post, R. C. (1976b). "Sparks from the Induction Coil: The Volta Prize and the Page Patent". <i>Proceedings of the IEEE</i>, vol. 64, p. 1284.</span> </li> <li id="cite_note-84"><span class="mw-cite-backlink"><b><a href="#cite_ref-84">^</a></b></span> <span class="reference-text">Post, R. C. (1976b). "Sparks from the Induction Coil: The Volta Prize and the Page Patent". <i>Proceedings of the IEEE</i>, vol. 64, pp. 1285-1286.</span> </li> </ol></div> <div class="mw-heading mw-heading3"><h3 id="Bibliography">Bibliography</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Charles_Grafton_Page&action=edit&section=12" title="Edit section: Bibliography"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>Post, R. C. (1976a). <i>Physics, Patents, and Politics: A Biography of Charles Grafton Page</i>. New York: Science History Publications.</li> <li>Sherman, R. (1988). "Charles Page, Daniel Davis, and Their Electromagnetic Apparatus". <i>Rittenhouse</i>, vol. 2, pp. 34–47.</li> <li>Royal Society (Great Britain) (1800–1863). <i>Catalogue of Scientific Papers</i>. Cambridge: University Press</li> <li>"Charles (Grafton) Page (1812-1868)." <i>Hutchinson's Biography Database</i> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><a href="/wiki/OCLC_(identifier)" class="mw-redirect" title="OCLC (identifier)">OCLC</a> <a rel="nofollow" class="external text" href="https://www.worldcat.org/oclc/1026835738">1026835738</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=Charles_Grafton_Page&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 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data-file-height="1376" /></span></span></div> <div class="side-box-text plainlist">Wikimedia Commons has media related to <span style="font-weight: bold; font-style: italic;"><a href="https://commons.wikimedia.org/wiki/Category:Charles_Grafton_Page" class="extiw" title="commons:Category:Charles Grafton Page">Charles Grafton Page</a></span>.</div></div> </div> <ul><li><a rel="nofollow" class="external text" href="http://www.gutenberg.org/ebooks/61807">Works by Charles Grafton Page</a> at <a href="/wiki/Project_Gutenberg" title="Project Gutenberg">Project Gutenberg</a></li> <li><a rel="nofollow" class="external text" href="http://www2.kenyon.edu/depts/physics/EarlyApparatus/">Daniel Davis Jr. Apparatus</a></li> <li><a rel="nofollow" class="external text" href="http://www.arcsandsparks.com/aboutinductioncoils.html">PV Scientific Instruments: About Induction Coils</a></li></ul> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist 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