Submarine signalling papers
- Made:
- 1911-07-01
- maker:
- Submarine Signal Company
This material consists of 14 typescript pages on submarine (underwater) signalling, 5 typescript pages of testimonials and 4 printed pages listing the Submarine Signal Bell Stations worldwide.
Details
- Extent:
-
220
280
- Identifier:
- MS/1341
- Access:
- Open Access
- copyright:
-
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