Manual of the Admiralty Gyro-Compass (Sperry Type) 1941
( ROYAL NAVY ) ADMIRALTY
Admiralty Compass Department. [Second Impression].
Published: HMSO, 1943
Stock code: 12487
Price: £18.00
Roy. 8vo., Second Impression, with 25 photographic plates and 28 folding plates on lighter stock (one poorly folded); cloth, gilt back, case mildly shaken (but binding entirely sound) else a good, clean copy.
Sold from the library of the Military College of Science with its stamps on free endpapers. Publication code CD 210/41- June 1941. The 1941 edition replaced the previous issue of 1931.