AT&T Bell Labs 1 ESS (Electornic Switching System) Manufacturing Processes (1965)
28:50
Manufacturing 1A and 2B ESS Memory - AT&T Archives
23:39
UNIX: Making Computers Easier To Use -- AT&T Archives film from 1982, Bell Laboratories
42:17
AT&T Telessentials Switching TC1604
56:55
Transistor Full Documentary
12:43
5ESS Switch - Ready For Tomorrow
30:17
"TOOLS OF TELEPHONY" 1956 WESTERN ELECTRIC TELEPHONE SYSTEM PROMO FILM BELL SYSTEM 98694
46:07
Speedrunning 30yrs of lithography technology
26:52