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Admiralty Compass Observatory, 1842-1971 (Manuscript) 1906-1916 ACO/7/12
First compass adjustments of HM Ships and other experiments in ships, 1906-1916, includes the 'Hot Funnel' trials in HMS LION, 1912
Swing book, 1921, Battleships, Cruisers and Auxiliaries (Manuscript) 1921 ACO/2/6
Swing book, 1921, Battleships, Cruisers and Auxiliaries, ships swung in order to test the deviation of the compass
HM Ships compass bearings, A- Z, 1869 (Manuscript) 1869 ACO/1/5
HM Ships compass bearings, A- Z, 1869, 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
HM Ships compass bearings, A- Z, 1870 (Manuscript) 1870 ACO/1/6
HM Ships compass bearings, A- Z, 1870, 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
HM Ships compass bearings, A- Z, 1873 (Manuscript) 1873 ACO/1/9
HM Ships compass bearings, A- Z, 1873, 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
The "S. G. Brown Affair", Copies of the S. G. Brown "House" magazine, 1926-31, which refer to the firms patent case against Sperry, the Admiralty Enquiry under Admiral Philpott and the Royal Commission on awards to inventors. (Manuscript) 1926-1931 ACO/4/24
The "S. G. Brown Affair", Copies of the S. G. Brown "House" magazine, 1926-31, which refer to the firms patent case against Sperry, the Admiralty Enquiry under Admiral Philpott and the Royal Commission on awards to inventors.
Swing book, 1920, Battleships, Cruisers, Monitors and Submarines (Manuscript) 1920 ACO/2/4
Swing book, 1920, Battleships, Cruisers, Monitors and Submarines, ships swung in order to test the deviation of the compass
HM Ships compass bearings, A- Z, 1874 (Manuscript) 1874 ACO/1/10
HM Ships compass bearings, A- Z, 1874, 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
Trials of the Brown Gyro- Compass in HMS ADVENTURE and HMS ARLESFORD, 1931 (Manuscript) 1931 ACO/4/25
Trials of the Brown Gyro- Compass in HMS ADVENTURE and HMS ARLESFORD, 1931
Swing Book, 1918, T Boats and P Boats (Manuscript) 1918 ACO/2/2
Swing Book, 1918, T Boats and P Boats, ships swung in order to test the deviation of the compass
HM Ships compass bearings, A- Z, 1872 (Manuscript) 1872 ACO/1/8
HM Ships compass bearings, A- Z, 1872, 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) 1907-1912 ACO/7/9
Compass Establishment of HM Ships, 1907- 1912, includes first gyro-compass in 1909
HM Ships compass bearings, A- Z, 1854 (Manuscript) 1854 ACO/1/2
HM Ships compass bearings, A- Z, 1854, 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
HM Ships compass bearings, A- Z, 1859 (Manuscript) 1859 ACO/1/3
HM Ships compass bearings, A- Z, 1859, 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
HM Ships compass bearings, A- Z, 1842-1847 (Manuscript) 1842-1947 ACO/1/1
HM Ships compass bearings, A- Z, 1842-1847, 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
HM Ships compass bearings, A- Z, 1916 (Manuscript) 1916 ACO/1/85
HM Ships compass bearings, A- Z, 1916, 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) 1970 ACO/S&T/30/16
Progress report on the 'S.I.N.S (Ships' Inertial Navigation Systems) Gyro Performance.'
HM Ships compass bearings, Battleship Cruisers and Small Craft, 1914 (Manuscript) 1914 ACO/1/80
HM Ships compass bearings, Battleship Cruisers and Small Craft, 1914, series of bound manuscript volumes of compass bearings data for HM ships, the data is arranged alphabetically by ship name.…
HM Ships compass bearings, Destroyers and Torpedo Boats, 1915 (Manuscript) 1915 ACO/1/83
HM Ships compass bearings, Destroyers and Torpedo Boats, 1915, series of bound manuscript volumes of compass bearings data for HM ships, the data is arranged alphabetically by ship name.…
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1943 ACO/S&T/30/20
Notes on the correction of the magnetic compass in ships, ACO publication.
HM Ships compass bearings, A- Z, 1916 (Manuscript) 1916 ACO/1/84
HM Ships compass bearings, A- Z, 1916, 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
HM Ships compass bearings, Destroyers and Torpedo Boats, 1914 (Manuscript) 1914 ACO/1/81
HM Ships compass bearings, Destroyers and Torpedo Boats, 1914, series of bound manuscript volumes of compass bearings data for HM ships, the data is arranged alphabetically by ship name.…
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1972 ACO/S&T/30/17
Report entitled, 'Astronomical Navigation At Sea Using Digital Sextant And Computer.'