A tour of AT&T's Network Operations Center (1979) - AT&T Archives
8:26
AT&T Archives: The Step-By-Step Switch
12:43
5ESS Switch - Ready For Tomorrow
18:10
Why America's Forgotten Microwave Skyway Network is still standing | Abandoned
27:27
AT&T Archives: The UNIX Operating System
24:53
What Happened to America's oldest Telephone Network? (History of the Telephone) - IT'S HISTORY
14:56
Long Lines bunker
11:07
The NYC Skyscraper Without Windows
15:45