Swinton's microphonic telephone transmitter
- Made:
- 1884
Swinton's microphonic telephone transmitter, with bell (1884)
Details
- Category:
- Telecommunications
- Object Number:
- 1916-49
- type:
- telephone transmitter
- credit:
- Swinton, Mr. A.A. Cambell
Swinton's microphonic telephone transmitter, with bell (1884)