Galvanometer, no 1550
- Made:
- London
- maker:
- Robert William Paul
This image is released under a CC BY-NC-SA 4.0
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Galvanometer, no 1550, patent, by Robt. W. Paul, London, N.
Details
- Category:
- Telecommunications
- Object Number:
- 1989-1104
- type:
- paul
- credit:
- Muirhead Vactric Components Limited
