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Telegraph Switching Systems - T. F. Purves - Google Books
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F. Purves</span></a></div><div><span dir=ltr>D. Van Nostrand Company</span>, 1902 - <span dir=ltr>117 pages</span></div></div><div class="search_box_wrapper"></div></td> </tr></table><div id="summary-second-column"></div></div></div></div></div><div class=vertical_module_list_row><h3 class=about_title><a name="search_anchor"></a>From inside the book</h3><div id=search class=about_content><form action=/books?source=gbs_search_r&cad=1 id=search_form method=get> <input type=hidden name="ppis" value="_c"><input type=hidden name="redir_esc" value="y"><input type=hidden name="id" value="iIFRAAAAMAAJ"><input type=hidden name="dq" value=""main distribution frame""><input type=hidden name="pg" value="PA97"><input type=hidden name="sig" value="ACfU3U3yBkiBfftq4CVuK8lDlEN5VM0ckg"><input type="hidden" name="focus" value="searchwithinvolume"><input id=search_form_input type=text maxlength=1024 name=q value=""main distribution frame"" title="Search" accesskey="i" aria-label="Search in this book" style="width:160px"><script type="text/javascript">if (window['_OC_autoDir']) {_OC_autoDir('search_form_input');}</script> <input type=submit value="Search"></form><div id=search_v><p align=left class="sitb-info">1 page matching <b>"main distribution frame"</b> in this book</p><div class="sitb-content"><h4 align=left>Page 97</h4><img class="sitb-img" width=575 height=92 src=https://books.google.com.sg/books/content?id=iIFRAAAAMAAJ&pg=PA97&img=1&pgis=1&dq=%22main+distribution+frame%22&sig=ACfU3U2tkPDsEwTd1h3hHc1e3kyreneaGA&edge=0 alt="Page 97"/></div><p align=left class="sitb-info"><a target="_parent" class="secondary" href="https://books.google.com.sg/support/answer/43729?topic=9259&hl=en">Where's the rest of this book?</a></p><div id="searchwithinvolume" tabindex="0"></div></div></div></div><div class=vertical_module_list_row><h3 class=about_title><a name="toc_anchor"></a>Contents</h3><div id=toc class=about_content><div id=toc_v><div class="first_toc_column"><div class="first_toc_pad"><table><tr><td class="toc_entry"><div class="toc_entry"><span style="white-space:nowrap"><span dir=ltr>EARLY SWITCHING SYSTEMS </span></span></div></td><td class="toc_number" align=right>1</td></tr><tr><td class="toc_border"> </td><td class="toc_border"></td></tr><tr><td class="toc_entry"><div class="toc_entry"><span style="white-space:nowrap"><span dir=ltr>SECTION III </span></span></div></td><td class="toc_number" align=right>21</td></tr><tr><td class="toc_border"> </td><td class="toc_border"></td></tr></table></div></div><div class="second_toc_column"><div class="second_toc_pad"><table><tr><td class="toc_entry"><div class="toc_entry"><span style="white-space:nowrap"><span dir=ltr>a Arrangement of the Switches </span></span></div></td><td class="toc_number" align=right>23</td></tr><tr><td class="toc_border"> </td><td class="toc_border"></td></tr></table></div></div><br style="clear:both;"/>3 other sections not shown</div><div style="clear:left; height:1em"></div></div></div><div class=vertical_module_list_row><h3 class=about_title><a name="book_other_versions_anchor"></a>Other editions - <a href='https://books.google.com.sg/books?q=editions:OCLC504059218&id=iIFRAAAAMAAJ'>View all</a></h3><div id=book_other_versions class=about_content><div id=book_other_versions_v><div class="one-third-column"><div class="crsiwrapper"><table class="rsi" cellspacing=0 cellpadding=0 border=0><tr><td class="coverdstd" align="center"><a href="https://books.google.com.sg/books?id=MPxmxQEACAAJ&dq=%22main+distribution+frame%22&source=gbs_book_other_versions_r&cad=3" ><img alt="" class="coverthumb hover-card-attach-point" src="https://books.google.com.sg/books/content?id=MPxmxQEACAAJ&printsec=frontcover&img=1&zoom=5" border="0" height="80"></a></td><td valign=top><div class=resbdy><a class="primary cresbdy" href="https://books.google.com.sg/books?id=MPxmxQEACAAJ&dq=%22main+distribution+frame%22&source=gbs_book_other_versions_r&cad=3"><span dir=ltr>Telegraph Switching Systems</span></a><br><span style="line-height: 1.3em; font-size:-1;"><span><a href="https://www.google.com.sg/search?tbo=p&tbm=bks&q=inauthor:%22T.+F.+Purves%22" class="secondary"><span dir=ltr>T. F. Purves</span></a></span><br/><span><span style="color:#999">No preview available</span> - 2019</span><br/></span></div></td><td align=right></td></tr></table></div></div><div class="one-third-column"><div class="crsiwrapper"><table class="rsi" cellspacing=0 cellpadding=0 border=0><tr><td class="coverdstd" align="center"><a href="https://books.google.com.sg/books?id=b_ZjjwEACAAJ&dq=%22main+distribution+frame%22&source=gbs_book_other_versions_r&cad=3" ><img alt="" class="coverthumb hover-card-attach-point" src="https://books.google.com.sg/books/content?id=b_ZjjwEACAAJ&printsec=frontcover&img=1&zoom=5" border="0" height="80"></a></td><td valign=top><div class=resbdy><a class="primary cresbdy" href="https://books.google.com.sg/books?id=b_ZjjwEACAAJ&dq=%22main+distribution+frame%22&source=gbs_book_other_versions_r&cad=3"><span dir=ltr>Telegraph Switching Systems</span></a><br><span style="line-height: 1.3em; font-size:-1;"><span><a href="https://www.google.com.sg/search?tbo=p&tbm=bks&q=inauthor:%22T+F+Purves%22" class="secondary"><span dir=ltr>T F Purves</span></a></span><br/><span><span style="color:#999">No preview available</span> - 2015</span><br/></span></div></td><td align=right></td></tr></table></div></div><div class="one-third-column"><div class="crsiwrapper"><table class="rsi" cellspacing=0 cellpadding=0 border=0><tr><td class="coverdstd" align="center"><a href="https://books.google.com.sg/books?id=kslAxQEACAAJ&dq=%22main+distribution+frame%22&source=gbs_book_other_versions_r&cad=3" ><img alt="" class="coverthumb hover-card-attach-point" src="https://books.google.com.sg/books/content?id=kslAxQEACAAJ&printsec=frontcover&img=1&zoom=5" border="0" height="80"></a></td><td valign=top><div class=resbdy><a class="primary cresbdy" href="https://books.google.com.sg/books?id=kslAxQEACAAJ&dq=%22main+distribution+frame%22&source=gbs_book_other_versions_r&cad=3"><span dir=ltr>Telegraph Switching Systems</span></a><br><span style="line-height: 1.3em; font-size:-1;"><span><a href="https://www.google.com.sg/search?tbo=p&tbm=bks&q=inauthor:%22T.+F.+Purves%22" class="secondary"><span dir=ltr>T. F. Purves</span></a></span><br/><span><span style="color:#999">No preview available</span> - 2019</span><br/></span></div></td><td align=right></td></tr></table></div></div><div style="clear:both"></div><div class="showall"><a class="secondary" href="https://books.google.com.sg/books?q=editions:OCLC504059218&id=iIFRAAAAMAAJ&source=gbs_book_other_versions_r&cad=3">View all »</a></div><script>(function () {var fn = window['_OC_WSBookList'] || window['_OC_BookList'];fn && fn('book_other_versions', [{"title":"Telegraph Switching Systems","authors":"T. F. Purves","bib_key":"ISBN:1011158221","pub_date":"24 Mar 2019","snippet":"This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. 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Purves provides a clear and ...","info_url":"https://books.google.com.sg/books?id=rwc90AEACAAJ\u0026dq=%22main+distribution+frame%22\u0026source=gbs_book_other_versions","preview_url":"https://books.google.com.sg/books?id=rwc90AEACAAJ\u0026dq=%22main+distribution+frame%22\u0026source=gbs_book_other_versions","thumbnail_url":"https://books.google.com.sg/books/content?id=rwc90AEACAAJ\u0026printsec=frontcover\u0026img=1\u0026zoom=1","num_pages":0,"viewability":4,"preview":"noview","embeddable":false,"my_ebooks_url":"https://www.google.com/accounts/Login?service=print\u0026continue=https://books.google.com.sg/books%3Fas_coll%3D7\u0026hl=en","can_download_pdf":false,"can_download_epub":false,"is_pdf_drm_enabled":false,"is_epub_drm_enabled":false}]);})();</script></div></div></div><div class=vertical_module_list_row><h3 class=about_title><a name="word_cloud_anchor"></a>Common terms and phrases</h3><div id=word_cloud class=about_content><div id=word_cloud_v><style type="text/css">.cloud9 {color: #7777cc;font-size: 10px;}.cloud8 {color: #6963CC;font-size: 10.5px;}.cloud7 {color: #6057CC;font-size: 11px;}.cloud6 {color: #574BCC;font-size: 11.5px;}.cloud5 {color: #4E3DCC;font-size: 12px;}.cloud4 {color: #4632CC;font-size: 14px;}.cloud3 {color: #3D26CC;font-size: 16px;}.cloud2 {color: #341ACC;font-size: 18px;}.cloud1 {color: #2B0DCC;font-size: 20px;}.cloud0 {color: #2200CC;font-size: 22px;}.cloud {margin-top: 4px;line-height: 24px;}.cloud a {margin-right: 6px;text-decoration: none;}.cloud a:hover {text-decoration: underline;}</style><div class=cloud><a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=24-volt+battery&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud6"><span dir=ltr>24-volt battery</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=actuated&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud5"><span dir=ltr>actuated</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=apparatus&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud6"><span dir=ltr>apparatus</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=armature&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud2"><span dir=ltr>armature</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=arranged&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud7"><span dir=ltr>arranged</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=bars&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud8"><span dir=ltr>bars</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=branch+and+sub-offices&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud8"><span dir=ltr>branch and sub-offices</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=Brussels&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud3"><span dir=ltr>Brussels</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=calling+and+clearing&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud7"><span dir=ltr>calling and clearing</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=calling+lamp&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud6"><span dir=ltr>calling lamp</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=calling+line&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud7"><span dir=ltr>calling line</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=calling+office&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud7"><span dir=ltr>calling office</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=calling+signals&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud8"><span dir=ltr>calling signals</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=calling+station&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud7"><span dir=ltr>calling station</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=Central+Office&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud3"><span dir=ltr>Central Office</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=CHAPTER&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud7"><span dir=ltr>CHAPTER</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=Charleroy&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud4"><span dir=ltr>Charleroy</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=Chimay&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud3"><span dir=ltr>Chimay</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=circuit&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud1"><span dir=ltr>circuit</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=clearing+lamp&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud6"><span dir=ltr>clearing lamp</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=Clearing+Relay&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud6"><span dir=ltr>Clearing Relay</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=coil&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud5"><span dir=ltr>coil</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=collecting+offices&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud7"><span dir=ltr>collecting offices</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=communication&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud8"><span dir=ltr>communication</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=conductor&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud8"><span dir=ltr>conductor</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=connecting+peg&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud7"><span dir=ltr>connecting peg</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=corresponding&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud8"><span dir=ltr>corresponding</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=Cut-off+Relay&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud5"><span dir=ltr>Cut-off Relay</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=delivery+office&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud2"><span dir=ltr>delivery office</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=depressed&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud8"><span dir=ltr>depressed</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=direct+wires&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud8"><span dir=ltr>direct wires</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=disengaged&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud5"><span dir=ltr>disengaged</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=Double-cord&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud6"><span dir=ltr>Double-cord</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=electrical&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud7"><span dir=ltr>electrical</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=fitted&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud7"><span dir=ltr>fitted</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=galvanometer&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud2"><span dir=ltr>galvanometer</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=Home+Section&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud2"><span dir=ltr>Home Section</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=instrument&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud7"><span dir=ltr>instrument</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=intercommunication+switch&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud8"><span dir=ltr>intercommunication switch</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=joined&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud8"><span dir=ltr>joined</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=light&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud8"><span dir=ltr>light</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=line+Jack&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud8"><span dir=ltr>line Jack</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=Line+Relay&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud5"><span dir=ltr>Line Relay</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=Listening+Sets&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud7"><span dir=ltr>Listening Sets</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=London&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud8"><span dir=ltr>London</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=means&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud7"><span dir=ltr>means</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=messages+passing&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud3"><span dir=ltr>messages passing</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=milliamp%C3%A8res&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud4"><span dir=ltr>milliamp猫res</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=morse+key&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud1"><span dir=ltr>morse key</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=multiple+panels&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud2"><span dir=ltr>multiple panels</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=multipled+line&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud8"><span dir=ltr>multipled line</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=necessary&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud7"><span dir=ltr>necessary</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=number+of+lines&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud7"><span dir=ltr>number of lines</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=ohms&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud3"><span dir=ltr>ohms</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=ordinary&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud7"><span dir=ltr>ordinary</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=out-station&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud4"><span dir=ltr>out-station</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=pairs+of+pegs&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud6"><span dir=ltr>pairs of pegs</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=pegs+and+cords&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud5"><span dir=ltr>pegs and cords</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=permanent+current&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud6"><span dir=ltr>permanent current</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=Pilot&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud8"><span dir=ltr>Pilot</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=plug&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud6"><span dir=ltr>plug</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=provincial+and+foreign&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud6"><span dir=ltr>provincial and foreign</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=rack&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud7"><span dir=ltr>rack</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=received&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud6"><span dir=ltr>received</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=Repeaters&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud8"><span dir=ltr>Repeaters</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=resistance&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud8"><span dir=ltr>resistance</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=sending&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud8"><span dir=ltr>sending</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=sent&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud6"><span dir=ltr>sent</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=shown+by+Fig&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud4"><span dir=ltr>shown by Fig</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=signalling+key&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud7"><span dir=ltr>signalling key</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=single&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud8"><span dir=ltr>single</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=single-cord&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud3"><span dir=ltr>single-cord</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=socket&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud7"><span dir=ltr>socket</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=Speaking+Key&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud3"><span dir=ltr>Speaking Key</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=speaking+set&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud3"><span dir=ltr>speaking set</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=special+indicator+key&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud7"><span dir=ltr>special indicator key</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=spring&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud6"><span dir=ltr>spring</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=Switch+Jack&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud5"><span dir=ltr>Switch Jack</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=switch+operator&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud0"><span dir=ltr>switch operator</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=switch+sections&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud6"><span dir=ltr>switch sections</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=switch+wires&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud7"><span dir=ltr>switch wires</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=switch+working+sets&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud3"><span dir=ltr>switch working sets</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=switchboard&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud3"><span dir=ltr>switchboard</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=switching+system&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud6"><span dir=ltr>switching system</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=telegraphist&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud2"><span dir=ltr>telegraphist</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=telephone&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud6"><span dir=ltr>telephone</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=test-peg&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud8"><span dir=ltr>test-peg</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=tion&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud6"><span dir=ltr>tion</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=Translating+Relays&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud0"><span dir=ltr>Translating Relays</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=transmission&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud7"><span dir=ltr>transmission</span></a> <a href="https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&q=white+star&dq=%22main+distribution+frame%22&source=gbs_word_cloud_r&cad=4" class="cloud7"><span dir=ltr>white star</span></a></div></div></div></div><div class=vertical_module_list_row><h3 class="about_title">Bibliographic information</h3><div class="about_content" id="metadata_content" style="padding-bottom:.3em"><div class="metadata_sectionwrap"><table id="metadata_content_table"><tr class="metadata_row"><td class="metadata_label">Title</td><td class="metadata_value"><span dir=ltr>Telegraph Switching Systems</span></td></tr><tr class="metadata_row"><td class="metadata_label"><span dir=ltr>Author</span></td><td class="metadata_value"><a class="primary" href="https://www.google.com.sg/search?tbo=p&tbm=bks&q=inauthor:%22T.+F.+Purves%22&source=gbs_metadata_r&cad=5"><span dir=ltr>T. F. Purves</span></a></td></tr><tr class="metadata_row"><td class="metadata_label"><span dir=ltr>Publisher</span></td><td class="metadata_value"><span dir=ltr>D. Van Nostrand Company, 1902</span></td></tr><tr class="metadata_row"><td class="metadata_label"><span dir=ltr>Original from</span></td><td class="metadata_value"><span dir=ltr>the University of Wisconsin - Madison</span></td></tr><tr class="metadata_row"><td class="metadata_label"><span dir=ltr>Digitized</span></td><td class="metadata_value"><span dir=ltr>28 Nov 2007</span></td></tr><tr class="metadata_row"><td class="metadata_label"><span dir=ltr>Length</span></td><td class="metadata_value"><span dir=ltr>117 pages</span></td></tr><tr class="metadata_row"><td> </td><td> </td></tr><tr class="metadata_row"><td class="metadata_label"><span dir=ltr>Export Citation</span></td><td class="metadata_value"><a class="gb-button " href="https://books.google.com.sg/books/download/Telegraph_Switching_Systems.bibtex?id=iIFRAAAAMAAJ&output=bibtex"><span dir=ltr>BiBTeX</span></a> <a class="gb-button " href="https://books.google.com.sg/books/download/Telegraph_Switching_Systems.enw?id=iIFRAAAAMAAJ&output=enw"><span dir=ltr>EndNote</span></a> <a class="gb-button " href="https://books.google.com.sg/books/download/Telegraph_Switching_Systems.ris?id=iIFRAAAAMAAJ&output=ris"><span dir=ltr>RefMan</span></a></td></tr></table></div><div style="clear:both"></div></div></div><script>_OC_addFlags({Host:"https://books.google.com.sg/", IsZipitFolderCollectionEnabled:1, IsBrowsingHistoryEnabled:1, IsBooksRentalEnabled:1, IsBooksUnifiedLeftNavEnabled:1});_OC_Run({"is_cobrand":false,"sign_in_url":"https://www.google.com/accounts/Login?service=print\u0026continue=https://books.google.com.sg/books%3Fid%3DiIFRAAAAMAAJ%26ppis%3D_c%26dq%3D%2522main%2Bdistribution%2Bframe%2522%26pg%3DPA97%26redir_esc%3Dy%26hl%3Den\u0026hl=en"}, {"volume_id":"iIFRAAAAMAAJ","is_ebook":false,"volumeresult":{"has_flowing_text":false,"has_scanned_text":false,"can_download_pdf":false,"can_download_epub":false,"is_pdf_drm_enabled":false,"is_epub_drm_enabled":false},"sample_url":"https://play.google.com/books/reader?id=iIFRAAAAMAAJ\u0026source=gbs_atb_hover","is_browsable":false,"is_public_domain":false}, {});</script><div id="footer_table" style="font-size:83%;text-align:center;position:relative;top:20px;height:4.5em;margin-top:2em"><div style="margin-bottom:8px"><a href="/intl/en/googlebooks/about.html"><nobr><nobr>About Google Books</nobr></nobr></a> - <a href="/intl/en/googlebooks/privacy.html"><nobr><nobr>Privacy Policy</nobr></nobr></a> - <a href="/intl/en/googlebooks/tos.html"><nobr><nobr>Terms of Service</nobr></nobr></a> - <a href="http://books.google.com.sg/support/partner/?hl=en-SG"><nobr><nobr>Information for Publishers</nobr></nobr></a> - <a href="http://books.google.com.sg/support/answer/180577?hl=en-SG&url=https://books.google.com.sg/books?id=iIFRAAAAMAAJ&ppis=_c&dq=%22main+distribution+frame%22&pg=PA97&redir_esc=y&hl=en&v=iIFRAAAAMAAJ&is=atb"><nobr><nobr>Report an issue</nobr></nobr></a> - <a href="http://books.google.com.sg/support/topic/4359341?hl=en-SG"><nobr><nobr>Help</nobr></nobr></a> - <a href="https://www.google.com.sg/"><nobr><nobr>Google Home</nobr></nobr></a></div></div></div></div></div><script>(function() {var href = window.location.href;if (href.indexOf('?') !== -1) {var parameters = href.split('?')[1].split('&');for (var i = 0; i < parameters.length; i++) {var param = parameters[i].split('=');if (param[0] == 'focus') {var elem = document.getElementById(param[1]);if (elem) {elem.focus();}}}}})();</script>