Admiralty Compass Observatory, 1842-1971

Report, Appraisal Trial of a Sperry MU23 Mod L1 Gyro Compass, D.W. NAV (N) report, by H Wynne Williams.

Record Details

Item reference: ACO/S&T/29/17
Catalogue Section: Public records: records of the central administration of the Royal Navy and the Merchant Navy
Level: ITEM
Extent: 1 folder
Date made: 1970 - 1970; 1970
Creator: Admiralty Compass Observatory
Credit: © Crown copyright. National Maritime Museum, Greenwich, London