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#telephoneExchanges

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lpbkdotnet<p>Now this is a nice find!</p><p>I&#39;ve been passed a scan of a notebook from the late 1950s containing details of all the <a href="https://mstdn.social/tags/telephoneExchanges" class="mention hashtag" rel="tag">#<span>telephoneExchanges</span></a> in the UK</p><p>This sort of information was used by <a href="https://mstdn.social/tags/telephone" class="mention hashtag" rel="tag">#<span>telephone</span></a> enthusiasts (UK <a href="https://mstdn.social/tags/phreaks" class="mention hashtag" rel="tag">#<span>phreaks</span></a>) to navigate their way around the toll (trunk) network</p><p>There were various techniques to get yourself onto a trunk, but once you were there the dialling codes in this notebook would get you anywhere in the country!</p><p><a href="https://mstdn.social/tags/phone" class="mention hashtag" rel="tag">#<span>phone</span></a> <a href="https://mstdn.social/tags/telephoneHistory" class="mention hashtag" rel="tag">#<span>telephoneHistory</span></a> <a href="https://mstdn.social/tags/telecoms" class="mention hashtag" rel="tag">#<span>telecoms</span></a> <a href="https://mstdn.social/tags/phreak" class="mention hashtag" rel="tag">#<span>phreak</span></a> <a href="https://mstdn.social/tags/telephoneHeritage" class="mention hashtag" rel="tag">#<span>telephoneHeritage</span></a></p>
lpbkdotnet<p>I love the art style on this poster produced by Post Office Telecomunications in the UK.</p><p>These posters would have been at least A2 in size, and were available to schools to help teach students how to use the telephone.</p><p>I&#39;m not sure of the date, but I would guess late 60s - early 70s.</p><p>This poster, and more can be found here: <a href="http://www.samhallas.co.uk/repository/documents/wall_charts.pdf" target="_blank" rel="nofollow noopener" translate="no"><span class="invisible">http://www.</span><span class="ellipsis">samhallas.co.uk/repository/doc</span><span class="invisible">uments/wall_charts.pdf</span></a></p><p><a href="https://mstdn.social/tags/Telephone" class="mention hashtag" rel="tag">#<span>Telephone</span></a> <a href="https://mstdn.social/tags/TelephoneHistory" class="mention hashtag" rel="tag">#<span>TelephoneHistory</span></a> <a href="https://mstdn.social/tags/GPO" class="mention hashtag" rel="tag">#<span>GPO</span></a> <a href="https://mstdn.social/tags/telecom" class="mention hashtag" rel="tag">#<span>telecom</span></a> <a href="https://mstdn.social/tags/telecoms" class="mention hashtag" rel="tag">#<span>telecoms</span></a> <a href="https://mstdn.social/tags/telecomHistory" class="mention hashtag" rel="tag">#<span>telecomHistory</span></a> <a href="https://mstdn.social/tags/TelecomsHistory" class="mention hashtag" rel="tag">#<span>TelecomsHistory</span></a> <a href="https://mstdn.social/tags/Poster" class="mention hashtag" rel="tag">#<span>Poster</span></a> <a href="https://mstdn.social/tags/telephoneExchanges" class="mention hashtag" rel="tag">#<span>telephoneExchanges</span></a> <a href="https://mstdn.social/tags/TelephoneExchange" class="mention hashtag" rel="tag">#<span>TelephoneExchange</span></a></p>
Martin Hamilton, WHY go byebye<p>You may not like it, but this is what peak performance looks like. <a href="https://martinh.net/tags/WutheringBytes" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>WutheringBytes</span></a> <a href="https://martinh.net/tags/TelephoneExchanges" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>TelephoneExchanges</span></a> ☎️ :blobfoxhyper2:</p>
lpbkdotnet<p>I bought an analogue panel meter recently that reads up to 60V DC full scale deflection. These are super handy for monitoring the supply rails in my <a href="https://mstdn.social/tags/strowger" class="mention hashtag" rel="tag">#<span>strowger</span></a> <a href="https://mstdn.social/tags/telephoneExchanges" class="mention hashtag" rel="tag">#<span>telephoneExchanges</span></a></p><p>What I love about this one is the tiny wee screw base lamps it uses for the scale illumination!</p><p>So smol!</p><p><a href="https://mstdn.social/tags/vintageElectronics" class="mention hashtag" rel="tag">#<span>vintageElectronics</span></a> <a href="https://mstdn.social/tags/testGear" class="mention hashtag" rel="tag">#<span>testGear</span></a> <a href="https://mstdn.social/tags/Meter" class="mention hashtag" rel="tag">#<span>Meter</span></a> <a href="https://mstdn.social/tags/analogue" class="mention hashtag" rel="tag">#<span>analogue</span></a> <a href="https://mstdn.social/tags/lightbulb" class="mention hashtag" rel="tag">#<span>lightbulb</span></a> <a href="https://mstdn.social/tags/lamp" class="mention hashtag" rel="tag">#<span>lamp</span></a> <a href="https://mstdn.social/tags/incandescent" class="mention hashtag" rel="tag">#<span>incandescent</span></a></p>
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