Admiralty Compass Observatory, 1842-1971

Report, 'Investigation of the Long-term Performance of Teledyne Gyro Model ECG 1, Part 1.'

Item reference:	ACO/S&T/29/21
Catalogue Section:	Public records: records of the central administration of the Royal Navy and the Merchant Navy
Level:	ITEM
Extent:	1 folder
Date made:	1971 - 1971; 1971
Creator:	Admiralty Compass Observatory
Credit:	© Crown copyright. National Maritime Museum, Greenwich, London