<a class="mw-redirect" href="https://en.wikipedia.org/wiki/Almon_Strowger" id="mwnA" rel="mw:WikiLink" title="Almon Strowger">Almon Strowger</a> patents the <a href="https://en.wikipedia.org/wiki/Strowger_switch" id="mwnQ" rel="mw:WikiLink" title="Strowger switch">Strowger switch</a>, a device which led to the automation of telephone circuit switching.<sup about="#mwt105" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-19"}}' id="cite_ref-19" rel="dc:references" typeof="mw:Extension/ref"><a href="./March_10#cite_note-19" id="mwng" style="counter-reset: mw-Ref 19;"><span class="mw-reflink-text" id="mwnw">[19]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-19"><cite about="#mwt102" class="citation book cs1" id="CITEREFRogers2011">Rogers, Dave (2011). <a class="external text" href="https://books.google.com/books?id=M-CVDwAAQBAJ&amp;pg=PT58" id="mwB_E" rel="mw:ExtLink nofollow"><i id="mwB_I">Inventions and their inventors 1750-1920</i></a>. M-Y Books Limited. p.<span id="mwB_M" typeof="mw:Entity"> </span>58. <a class="mw-redirect" href="./ISBN_(identifier)" id="mwB_Q" rel="mw:WikiLink" title="ISBN (identifier)">ISBN</a><span id="mwB_U" typeof="mw:Entity"> </span><a href="./Special:BookSources/978-1-906986-58-2" id="mwB_Y" rel="mw:WikiLink" title="Special:BookSources/978-1-906986-58-2"><bdi id="mwB_c">978-1-906986-58-2</bdi></a>.</cite><span about="#mwt102" class="Z3988" id="mwB_g" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=Inventions+and+their+inventors+1750-1920&amp;rft.pages=58&amp;rft.pub=M-Y+Books+Limited&amp;rft.date=2011&amp;rft.isbn=978-1-906986-58-2&amp;rft.aulast=Rogers&amp;rft.aufirst=Dave&amp;rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DM-CVDwAAQBAJ%26pg%3DPT58&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AMarch+10"></span></span>