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