Bell transmitter with membrane diaphragm, 1875-1877

Made:
1875-1877 in Boston
inventor:
Alexander Graham Bell
maker:
Charles Williams

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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

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

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

Early type of Bell transmitter with membrane diaphragm, invented by Alexander Graham Bell, made by Charles Williams Jr,, Boston, Massachusetts, United States, 1875-1914. This is an exact replica of Bell's first telephone made in June 1875 and was made by the same maker, Charles Williams Jr. of Boston, whose name is stamped on the baseboard.

On display

Science Museum: Information Age Gallery: Exchange

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Details

Category:
Telecommunications
Object Number:
1914-817
Materials:
brass (copper, zinc alloy), copper (alloy), plastic (unidentified), vellum, wood (unidentified)
type:
telephone
taxonomy:
  • component - object
credit:
Donated by the General Post Office

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