Step-by-step switch telephone demonstration

1,882 views · Published 8 September 2014 · 0:40 · Indexed 2 October 2026

Channel: bnkwupt · 2014 · Science & Technology

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This video is from the Museum of Communication in Seattle Washington.  This demonstration shows how an old step-by-step switch works - it's what would have connected your phone call back in the 1950s.

See also:  https://www.youtube.com/watch?v=xZePwin92cI

#museumofcomm

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