Telephone transmitter

Handheld granular carbon telephone transmitter

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Handheld granular carbon telephone transmitter
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Handheld granular carbon telephone transmitter, made by David Moseley & Sons, Manchester, c.1880.

Details

Category:
Telecommunications
Object Number:
Y1999.2.4
Materials:
wood (unidentified)
Measurements:
overall: 227 mm, 68 mm,
type:
telephone transmitter
credit:
Gift of British Telecommunications Museum