Catalogue description INVENTIONS AND SUGGESTIONS (59): Apparatus for indicating zig-zag courses of ships:...
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Reference: | ADM 1/13820 |
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Description: |
INVENTIONS AND SUGGESTIONS (59): Apparatus for indicating zig-zag courses of ships: Lieutenant F H Gray, RNR |
Date: | 1940 |
Held by: | The National Archives, Kew |
Former reference in its original department: | CP Patents 238/1940 |
Legal status: | Public Record(s) |
Closure status: | Open Document, Open Description |
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