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Admiralty Compass Observatory, 1842-1971 (Manuscript) 1950 ACO/S&T/19/4
The provision of Accurate Heading Data for Doppler Equipment by J L Nunn.
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1950 ACO/S&T/19/5
Acceptance trials of Hughes Periscope Sextant, Admiralty transmitting magnetic compass type 3G, Ministry of Supply, Aeroplane and armament experimental establishment.
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1944 ACO/S&T/19/6
Motions of Aircraft Compasses in Flight, 1944, Admiralty Library Compass Department by HAP Guinand.
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1944 ACO/S&T/19/10
Aeroplane and Armament experimental establishment, Boscombe down, Air Swings of compasses using RADAR equipment of the H2S or ASV Mk, type II, by Snowball and Squadron Leader J.A. Preiss.
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1956 ACO/S&T/10/10
Report, re: Periscope Sextant Development in the Royal Navy, GCD/15/56, by D. W. Payn.
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1951 ACO/S&T/10/11
Report, re: Compass Systems for DRSB Mark 2, MEX-7-50, technical report no. 595.
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1958 ACO/S&T/10/14
The O. P. Tank Compass Trials Report No.2, December 1958, MEX-95-54.
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1949 ACO/S&T/9/8
Admiralty Transmitting Magnetic Compass Type 3G, DRX-140-48.
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1955 ACO/S&T/9/9
Preliminary Handbook: Admiralty Gyro Compass Pattern 5005, TR 153.
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1943 ACO/S&T/9/10
Notes on the correction of magnetic compass in ships, TR 178.
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1947 ACO/S&T/9/11
Notes on an Oil Bearing by R. R. Orton (GCD/1/47), TR 191.
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1958 ACO/S&T/10/3
Report on a visit to Detroit: Single Degree of Freedom Gyro Units by J. Preston, two copies.
Admiralty Compass Observatory, 1842-1971 (Manuscript) ACO/12/9
An Index for the technical library books kept in the Exhibition room, presumably at the Admiralty Library, Compass Dept.
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1944 ACO/S&T/19/12
Air Swings by Aerial Photography by Snowball and JD Wayte.
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1945 ACO/S&T/19/15
Ground Swings of Aircraft Compasses by Squadron leader JA Preiss.
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1894 ACO/S&T/20/1
Report to the Hydrographer on the results of the compass observations made in HMS ROYAL ARTHUR, 1893, ed. E. W. Creak, ACO, Superintendent of compasses.
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1955 ACO/S&T/9/3
Report on compass trials, DRAGONFLY Helicopter (MEX-94-54), TR 73. 2 copies.
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1944 ACO/S&T/23/2
Pamphlet, 'The Kreiselgerate Miniature Gyro-Compass', British Naval Gunnery Mission, special technical report No.2. Photocopy.
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1979 ACO/S&T/23/3
Paper, entitled 'The Admiralty Compass Observatory' by Commander A E Fanning.
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1947 ACO/S&T/10/18
ACO, Compass Department, research and development report, CD/12M/2. Technical report. 669.
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1955 ACO/S&T/10/21
Preliminary Handbook, Admiralty Gyro- Magnetic Compass Type 6, March 1955, technical report no. 679.