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Swing book, 1923, Battleships, Cruisers, Auxiliaries (Manuscript) 1923 ACO/2/11
Swing book, 1923, Battleships, Cruisers, Auxiliaries, ships swung in order to test the deviation of the compass
HM Ships compass bearings, A- Z, 1881 (Manuscript) 1881 ACO/1/17
HM Ships compass bearings, A- Z, 1881, Series of bound manuscript volumes of compass bearings data for HM ships, the data is arranged alphabetically by ship name. The volumes contain a record of observations for deviation by comparing the standard compass with the magnetic compass
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1918 ACO/7/18
Observations for deviation, HMS submarines, 1918, organized by name of vessel
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1914 ACO/4/27/6
Creagh-Osbornes trip to USA to assist Commander Porte with his trans- Atlantic flight in the flying boat AMERICA, includes report on visit to Sperry factory, June/July 1914
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1910-1911 ACO/4/27/3
Correspondence with Messrs Kelvin and White, re: Aircraft Compasses, 1910-1911
Swing book, 1922, Battleships, Cruisers, Depot Ships, Submarines (Manuscript) 1922 ACO/2/10
Swing book, 1922, Battleships, Cruisers, Depot Ships, Submarines, ships swung in order to test the deviation of the compass
HM Ships compass bearings, A- Z, 1884 (Manuscript) 1884 ACO/1/20
HM Ships compass bearings, A- Z, 1884, Series of bound manuscript volumes of compass bearings data for HM ships, the data is arranged alphabetically by ship name. The volumes contain a record of observations for deviation by comparing the standard compass with the magnetic compass
Swing book, 1925 - 1926, Battleships, Cruisers and Auxiliaries (Manuscript) 1925-1926 ACO/2/15
Swing book, 1925 - 1926, Battleships, Cruisers and Auxiliaries, ships swung in order to test the deviation of the compass
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1913-1936 ACO/4/28
Correspondence concerning Creagh-Osbornes Patents and copies of the patents, 1913-1916, re: Aircraft compasses and aircraft
HM Ships compass bearings, A- Z, 1885 (Manuscript) 1885 ACO/1/21
HM Ships compass bearings, A- Z, 1885, Series of bound manuscript volumes of compass bearings data for HM ships, the data is arranged alphabetically by ship name. The volumes contain a record of observations for deviation by comparing the standard compass with the magnetic compass
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1980 ACO/4/29/1
Aircraft compasses, article on "John Cyril Porte" AEROSPACE, February 1980, by Air Marshall Sir Edward Chilton
HM Ships compass bearings, A- Z, 1882 (Manuscript) 1882 ACO/1/18
HM Ships compass bearings, A- Z, 1882, Series of bound manuscript volumes of compass bearings data for HM ships, the data is arranged alphabetically by ship name. The volumes contain a record of observations for deviation by comparing the standard compass with the magnetic compass.
Swing book, 1924, Battleships, Cruisers and Auxiliaries (Manuscript) 1924 ACO/2/13
Swing book, 1924, Battleships, Cruisers and Auxiliaries, ships swung in order to test the deviation of the compass
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1907-1951 ACO/S&T/17/8
Admiralty Magnetic Compass Museum catalogue and notes compiled by Lieutenant George Hamilton Alexander, MBE, RN (1869-1938). Alexander was Chief Compass Examiner in the Compass Department from 1907 to 1930.…
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1945-1976 ACO/S&T/12/9
Collection of German Papers including an article from INGENIEUR ARCHIV entitled 'Kreiselkompass and Schiffsmanover'; an article entitled 'Einfluss der Flussigkeitsmitnahme auf das Schwingungsverhalten von Rosensystemen beim Magnetflussigkeitskompass' and an article in French from…
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1950-07-31 ACO/S&T/22/8
Report number 1/50 concerning trial 421/Misc/118 of the gyro magnetic compass MK 4B by the Naval Anti-Submarine Research and Development Unit, Royal Naval Air Station, Lee on Solent.
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1965 ACO/S&T/30/10
Report on the Sperry Gyro- Magnetic Compass Mark 7, Laboratory Assessment by E C Chaston.
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1902-11-01 ACO/S&T/20/25
Notes and draft report concerning the removal of compasses and steering wheel from the conning tower by James Henderson, Superintendent of Compasses.
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1954-05-01 ACO/S&T/22/7
Technical note concerning a criterion for the accuracy of aircraft compass calibration by the Aircraft Research and Development Unit of the Royal Australian Air Force.
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1969 ACO/S&T/30/19
Laboratory assessment of Sperry C12 compass, final report by D. Ruck.
Swing book, 1927-8, Destroyers, P Boats and Submarines (Manuscript) 1927-1928 ACO/2/18
Swing book, 1927-8, Destroyers, P Boats and Submarines, ships swung in order to test the deviation of the compass
Admiralty Compass Observatory, 1842-1971 (Manuscript) ACO/12/4
Addendum to the catalogue of museum of magnetic compasses etc, 2 copies.
Admiralty Compass Observatory, 1842-1971 (Manuscript) ACO/12/7
A Catalogue of the Admiralty Collection of Marine and Air Magnetic Compasses, Binnacles, Cards and Correcting Appliances in the Museum of the Admiralty Compass Observatory at Ditton Park, Slough (copy no.4)