Experimental microphone telephone transmitter by Mr Campbell Swinton

Experimental microphone telephone transmitter by Mr Campbell Swinton (1885) (two india rubber bands unfastened)

Details

Category:
Telecommunications
Object Number:
1916-50
type:
telephones
credit:
Swinton, Mr. A.A. Cambell

Parts

Base for Experimental Telephone Transmitter

Heavy circular black-painted metal base with two holes designed to receive the brass terminals of the associated transmitter assembly. From the experimental microphone telephone transmitter by Mr Campbell Swinton, 1885.

Measurements:
overall: 340 mm 85 mm,
Materials:
metal (unknown)
Object Number:
1916-50/2
type:
transmitter
Image ©
The Board of Trustees of the Science Museum