Swing book, 1921, TBDs, P Boats and Submarines

Swing book, 1921, TBDs, P Boats and Submarines, ships swung in order to test the deviation of the compass

Record Details

Item reference: ACO/2/7
Catalogue Section: Public records: records of the central administration of the Royal Navy and the Merchant Navy
Level: ITEM
Extent: 1 volume
Date made: 1921 - 1921; 1921
Creator: Admiralty Compass Observatory
Credit: © Crown copyright. National Maritime Museum, Greenwich, London