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A Dodgy Dial Gets A Teardown And Some Oil

hackaday.com
 2022-01-17

Cover picture for the articleThe pulse-dial telephone and its associated mechanical exchange represents the pinnacle of late-19th and early-20th century electromechanical technology, but its vestiges have disappeared from view with astonishing rapidity. [Matthew Harrold] is a telecoms enthusiast who’s been kind enough to share...

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