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Catalogue description HYDROGRAPHY (57): Proposed investigation by National Physical Laboratory of night vision...
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| Reference: | ADM 1/15123 |
|---|---|
| Description: |
HYDROGRAPHY (57): Proposed investigation by National Physical Laboratory of night vision through binoculars and effect of coating instruments with non-reflective film |
| Date: | 1941-1942 |
| Held by: | The National Archives, Kew |
| Former reference in its original department: | SRE964/1941 |
| Legal status: | Public Record(s) |
| Closure status: | Open Document, Open Description |
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