Works photographic negative of Jammer's signalling apparatus
- Made:
- 1904
- part of archive:
- Business records of W. T. Glover & Co. Ltd
Shows Jammer's signalling apparatus, showing two solenoids side-by-side. Location not recorded.
Details
- Identifier:
- YA1972.36/MS0231/Neg 196
- Access:
- Open access.
- copyright:
-
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