Pair telephone head receivers
- Made:
- before 1922
This image is released under a CC BY-NC-SA 4.0
Licence
License this image for commercial use at Science and Society Picture Library
License
Science Museum Group
© The Board of Trustees of the Science Museum
Pair telephone head receivers, No. 4000 Sullivan's Patent
Details
- Category:
- Telecommunications
- Object Number:
- 1922-458
- type:
- telephone receiver
- credit:
- Imperial War Museum