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The Crossbar Switch
Hicken65
Mar 18, 2020
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Bell Telephone System Print Ads 1910 To 1983
551A PBX Description and Operation
No 5 Crossbar Tour
How does a No. 1 Crossbar work? - Dial Equipment Appreciation, Part 2
AT&T Bell Labs 1 ESS (Electornic Switching System) Manufacturing Processes (1965)
5ESS Switch - Ready For Tomorrow
"TOOLS OF TELEPHONY" 1956 WESTERN ELECTRIC TELEPHONE SYSTEM PROMO FILM BELL SYSTEM 98694
”THE TELEPHONE EXCHANGE” 1982 BRITISH TELECOMMUNICATIONS DOCUMENTARY MONDIAL HOUSE XD47854
The Line Finder In The Step-By-Step Telephone Switching System
The Traveling Telephone Switching Machine - AT&T Archives
Speedy Cutover Service, SXS switching cutover to ESS filmed live at Glendale CA central office, 1984
Telephone Exchanges in Australia circa 1980
Crossbar telephone exchange demo
At the Connections Museum: the insane telephone technology that led to today's computers
AT&T Archives: The Step-By-Step Switch
The Connector In The Step-By-Step Telephone Switching System
Crossbar's Hidden Superpower: Alternate Routing!
Working in a telephone exchange, 1960's -- Film 3792
BT System X - 1980s Promotional Film
The Dial Comes To Town