Ericsson AGF telephone exchange 500 line selector demo
22:38
My vintage Strowger Telephone Exchange Demonstrator
13:40
Ericsson XY selector demo
9:08
Justering av 500-väljare Del 1/5
27:08
At the Connections Museum: the insane telephone technology that led to today's computers
30:17
"TOOLS OF TELEPHONY" 1956 WESTERN ELECTRIC TELEPHONE SYSTEM PROMO FILM BELL SYSTEM 98694
9:10
Buying An Old 1960's Strowger Telephone Exchange For Restoration!
8:29
Wijk-telefooncentrale Rotterdam-Centrum 14 ARF AXE
14:28