1979
1981

1980

Siemens debuts digital telephone switching
PDF: AT&T Annual Report, 1980
AT&T Annual Report, 1980
Ad: Reach Out
Reach Out
Photo: Siemens logo
Siemens logo
Video: Inventing the Negative Feedback Amplifier (AT&T)
Inventing the Negative Feedback Amplifier (AT&T)
Minitel launches
Minitel launches
PDF: GPO 1980 Payphones brochure
GPO 1980 Payphones brochure
Ad: Reach Out
Reach Out
Video: We Make Telephones (Western Electric)
We Make Telephones (Western Electric)
PDF: Prestel
Prestel
Ad: Reach Out
Reach Out
Video: Call Me (Blondie)
Call Me (Blondie)
PDF: Public Telephone Instruction Card Manual Bell System
Public Telephone Instruction Card Manual Bell System
Video: AT&T Archives: Invention of the First Electric Computer
AT&T Archives: Invention of the First Electric Computer
PDF: Western Electric Montgomery Works brochure
Western Electric Montgomery Works brochure