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: AVIA 26/540
This record is about the Lichtenstein apparatus dating from 1943 in the series Ministry of Aviation, predecessors and successors: Royal Radar Establishment (later.... It is held at The National Archives, Kew.
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Lichtenstein apparatus
AVIA 26
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Lichtenstein apparatus
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