We tour Seattle's Connections Museum, and marvel at rarely seen, fully functioning telephone exchange equipment, from the electro-mechanical 1900's to the all-computerized system of the 1970s. Next time you use a modern computer, give a thought to Bell Labs who invented the transistor and the Unix operating system, all driven by the need for better telecommunication technology.

Connections Museum YouTube Channel:
   / connectionsmuseum  

The Connections Museum's web page:
https://www.telcomhistory.org/connect...

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