1870s 1880s 1890s 1900s 1910s 1920s 1930s 1940s 1950s 1960s 1970s 1980s 1990s
1955
1957
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1956

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Old Case Ericofon
Old Case Ericofon
L.M. Ericsson
TA-312/PT Vietnam War era field telephone
TA-312/PT Vietnam War era field telephone
ITT
WE 554 (And Color Variants)
WE 554 (And Color Variants)
Western Electric
AT&T settles U.S. antitrust suit
AT&T settles U.S. antitrust suit
PDF: AT&T Annual Report 1956
AT&T Annual Report 1956
Ad: Bell solar battery
Bell solar battery
Photo: Bell Solar Battery
Bell Solar Battery
Video: The Bell Solar Battery
The Bell Solar Battery
Transatlantic telephone cable (TAT-1)
Transatlantic telephone cable (TAT-1)
Ad: New colors
New colors