Admiralty Compass Observatory, 1842-1971

Laboratory Assessment of the Sperry Gyro Magnetic Compass G.M.Y.A, 1968

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Item reference:	ACO/S&T/30/12
Catalogue section:	Public records: records of the central administration of the Royal Navy and the Merchant Navy
Level:	ITEM
Extent:	1 item
Date made:	1968 - 1968
Creator:	Admiralty Compass Observatory
Credit:	© Crown copyright. National Maritime Museum, Greenwich, London

Record details