1951
1953

1952

IT&T acquires Kellogg
IT&T acquires Kellogg
PDF: AT&T Annual Report 1952
AT&T Annual Report 1952
Ad: Telephone truck
Telephone truck
Video: Lucy Gossips on the Phone
Lucy Gossips on the Phone
Pfann invents zone refining (melting), enabling purer silicon for transistors and semiconductors
Pfann invents zone refining (melting), enabling purer silicon for transistors and semiconductors
PDF: Fernsprech Reihen-Apparat brochure
Fernsprech Reihen-Apparat brochure
Video: Claude Shannon demonstrates "Theseus" Machine Learning @ Bell Labs (High Quality)
Claude Shannon demonstrates "Theseus" Machine Learning @ Bell Labs (High Quality)
PDF: Modell Europa brochure
Modell Europa brochure
PDF: Strowger Automatic: A Sixty Year Report
Strowger Automatic: A Sixty Year Report
PDF: The Telephone In America
The Telephone In America