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HM Ships compass bearings, A- Z, 1879 (Manuscript) 1880 ACO/1/16
HM Ships compass bearings, A- Z, 1880, 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) 1910-1915 ACO/7/17
Gyroscopic compasses, 1910-1915, register of fittings in HM ships, incomplete record
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1911-1912 ACO/4/27/5
Articles on Air Navigation by Commander Creagh Osborne, in journals AERO and FLIGHT, 1911-1912
Swing book, 1923, Destroyers, Submarines (Manuscript) 1923 ACO/2/12
Swing book, 1923, Destroyers, Submarines (and P Boats in 1923) , ships swung in order to test the deviation of the compass
Swing book, 1922, Destroyers, TBDs and Patrol Vessels (Manuscript) 1922 ACO/2/9
Swing book, 1922, Destroyers, TBDs and Patrol Vessels, ships swung in order to test the deviation of the compass
HM Ships compass bearings, A- Z, 1879 (Manuscript) 1879 ACO/1/15
HM Ships compass bearings, A- Z, 1879, 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) 1920-1933 ACO/7/16
Electrical trials at Portsmouth, Volume 2, c. 1920s, mainly trials at ACO, including ARL plotting table, 1933
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1911 ACO/4/27/4
On placing and adjusting compasses in aircraft, including first rules for positioning compass, 1911
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1890 ACO/8/2
Magnetic Elements of HM Ships, A-Z log, "from 1890"
Swing book, 1925 - 1926, Destroyers and Submarines (Manuscript) 1925-1926 ACO/2/16
Swing book, 1925 - 1926, Destroyers and Submarines, ships swung in order to test the deviation of the compass
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1902 ACO/8/3
Magnetic Elements of HM Ships, A-Z log, "from 1902"
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1914 ACO/4/27/7
Correspondence concerning the competition to design the "first standard aircraft compass", miscellaneous papers, Aircraft
HM Ships compass bearings, A- Z, 1883 (Manuscript) 1883 ACO/1/19
HM Ships compass bearings, A- Z, 1883, 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) 1911-1913 ACO/4/27/8
Creagh-Osborne's correspondence with the Royal Aero Club, regarding joining the technical commitee 1911, "Aviator Pilots" certificate 1911 and Wilbur Wright Lecture 1913.
Swing book, 1924, Destroyers, Submarines (Manuscript) 1924 ACO/2/14
Swing book, 1924, Destroyers, Submarines, ships swung in order to test the deviation of the compass
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1842-1971 ACO
The Admiralty Compass Observatory Collection comprises correspondence papers and reports, 1842 -1950 transferred from the Public Record Office, The National Archives, Kew in 1983, Papers from the Scientific and Technical Review Section (S&T) 1890 - 1970 acquired in 1993 and 1996 also from the Pu…
Admiralty Compass Observatory, 1842-1971 (Manuscript) ACO/S&T/20/8
Abaque pour la determination du point a la mer par Messieurs Fave et Rollet de l'Isle, Ingenieurs hydrographes de la Marine. In French, no date.
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1943 ACO/S&T/30/2
German Document, Calculations of Magnetic Field Using Forster Probes by Richard Feldtkeller.
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1944 ACO/S&T/12/10
Article entitled 'Gimbal Errors in Torpedo Directional Gear', Compass Department translation No. 19; translated from the original German, written by Dr Heinz Meyer. Includes a photocopy of the German article.
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1946 ACO/S&T/12/11
Miscellaneous lists of German Documents, 1946, re: Compass Department.
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1945-1981 ACO/S&T/12/2
Papers on the work of Dr Johannes Gievers, including Gievers report on "Der Klein-Kriesel-Kompass", 1945; a report on discussions at ACO with Dr Gievers regarding his proposed gyro-compass and stable element, 1946; and research for a paper entitled "Contributions of late Dr Gievers t…
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1946 ACO/S&T/12/3
Operation of a German Phase Compass, written in German and English.
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1958-1959 ACO/6/9
The Sperry Mark 22 Modulation O Gyro Compass final report of trials at the ACO and at sea.