Series
Board of Longitude: Papers
Catalogue reference: RGO 14
Date: 1605-1830
Records of the Board of Longitude.These include papers about the discovery of methods of measuring longitude at sea, notably the work of John...
Piece
Catalogue reference: HO 195/7
This record is about the Numbered papers: RC 81 - 110. (Described at item level) dating from 1940 in the series Ministry of Home Security: Research and Experiments Department, Civil Defence Research.... It is held at The National Archives, Kew.
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Numbered papers: RC 81 - 110. (Described at item level)
Photographs extracted to CN 9/2
HO 195
See the series level description for more information about this record.
Records created or inherited by the Home Office, Ministry of Home Security, and related...
Ministry of Home Security: Research and Experiments Department, Civil Defence Research...
Numbered papers: RC 81 - 110. (Described at item level)
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