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Catalogue description A method and apparatus for locating submarines by echo location: discussion of idea...
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| Reference: | ADM 293/22 |
|---|---|
| Description: |
A method and apparatus for locating submarines by echo location: discussion of idea submitted by American physicist Dr W W Jacques. With photographs and chart |
| Date: | 1917 Jan 01 - 1917 Dec 31 |
| Held by: | The National Archives, Kew |
| Former reference in its original department: | BIR 40213 |
| Legal status: | Public Record(s) |
| Closure status: | Open Document, Open Description |
| Access conditions: | Open on Transfer |
| Record opening date: | 29 July 2005 |
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