Swinton's microphonic telephone transmitter

Swinton's microphonic telephone transmitter, with bell (1884)

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Swinton's microphonic telephone transmitter, with bell (1884)
Science Museum Group
© The Board of Trustees of the Science Museum

Swinton's microphonic telephone transmitter, with bell (1884)

Details

Category:
Telecommunications
Object Number:
1916-49
type:
telephone transmitter
credit:
Swinton, Mr. A.A. Cambell