Admiralty Compass Observatory, 1842-1971

Report on the Sperry Gyro- Magnetic Compass Mark 7, Laboratory Assessment by E C Chaston.

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Item reference:	ACO/S&T/30/10
Catalogue Section:	Public records: records of the central administration of the Royal Navy and the Merchant Navy
Level:	ITEM
Extent:	1 item
Date made:	1965 - 1965; 1965-06 1965
Creator:	Admiralty Compass Observatory
Credit:	© Crown copyright. National Maritime Museum, Greenwich, London

Record Details