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In Old Movies, Why The Dial Tone After Someone Hangs Up?
Автор: Tom Scott
Загружено: 2016-12-12
Просмотров: 1115971
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Brace yourselves, we're about to get into some serious detail about telephone systems. Thanks to all the folks at Seattle's Museum of Communications! https://www.telcomhistory.org/connect...
They're also on YouTube at / museumofcomm
...and Sarah has a personal blog specializing in the ongoing restoration of the 1923 Panel Switch at the Museum: / revertive-pulse
Edited by Michelle Martin, @mrsmmartin
I'm at http://tomscott.com
on Twitter at / tomscott
on Facebook at / tomscott
and on Instagram and Snapchat as tomscottgo
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