Automatic telephone wall, 1900-1910

Made:
1900-1910 in Chicago

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Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Automatic telephone wall set made by Automatic Electric Company, Chicago, United States, 1900-1910.

This is an early example of an American wall telephone. It has no hand generator or battery cells, and was instead used on exchanges where a central battery was available. This meant that all power required for the telephone was drawn from the central telephone exchange, rather than the telephone having a separate power source.

Details

Category:
Telecommunications
Object Number:
1923-256
Materials:
copper plated, metal (unknown), plastic (unidentified) and wood (unidentified)
type:
telephone
taxonomy:
  • component - object
credit:
Donated by the Institution of Electrical Engineers