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HM Ships compass bearings, N- Z, 1896 (Manuscript) 1896 ACO/1/39
HM Ships compass bearings, N- Z, 1896, 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
Book 4, Gyro Compasses as fitted in Polish Cruisers, n.d. (Manuscript) ACO/3/9
Book 4, Gyro Compasses as fitted in Polish Cruisers, n.d.
HM Ships compass bearings, B- S, 1896 (Manuscript) 1896 ACO/1/37
HM Ships compass bearings, B- S, 1896, 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
Book 10, Gyro Compasses as fitted in Bangor Class Minesweepers and Corvettes, c.1931-1946 (Manuscript) 1931-1946 ACO/3/15
Book 10, Gyro Compasses as fitted in Bangor Class Minesweepers and Corvettes (flower class and twin screw), c.1931-46
HM Ships compass bearings, A- M, 1897 (Manuscript) 1897 ACO/1/40
HM Ships compass bearings, A- M, 1897, 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
Book 9, Gyro Compasses as fitted in Sloops and Minesweepers, c. 1931-1946 (Manuscript) 1931-1946 ACO/3/14
Book 9, Gyro Compasses as fitted in Sloops and Minesweepers, c. 1931-46
Admiralty Compass Observatory, 1842-1971 (Manuscript) ACO/4/29/3
"Position Curves for Navigation" by Naval Instructor T. Y. Bakev
Swing book, 1929-30, Battleships, Cruisers and Auxiliaries (Manuscript) 1929-1930 ACO/2/19
Swing book, 1929-30, Battleships, Cruisers and Auxiliaries, ships swung in order to test the deviation of the compass
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1910 ACO/8/6
Magnetic Elements of HM Ships, A-Z log, "from 1910", Battleships and Cruisers
HM Ships compass bearings, A- M, 1894 (Manuscript) 1894 ACO/1/33
HM Ships compass bearings, A- M, 1894, 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, 1889 (Manuscript) 1889 ACO/1/25
HM Ships compass bearings, A- Z, 1889, 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, 1929-30, Destroyers, Sloops, Depot Ships, Submarines (Manuscript) 1929-1930 ACO/2/20
Swing book, 1929-30, Destroyers, Sloops, Depot Ships, Submarines, ships swung in order to test the deviation of the compass
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1916 ACO/8/8
Magnetic Elements of HM Ships, A-Z log, "from 1916", Torpedo Craft, Submarines and Auxiliaries
HM Ships compass bearings, A- M, 1893 (Manuscript) 1893 ACO/1/31
HM Ships compass bearings, A- M, 1893, 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) 1891-1904 ACO/9/3
Registers of correspondence in HM Ships, 1891-1904, Volume 2, N-Z
HM Ships compass bearings, N- Z, 1893 (Manuscript) 1893 ACO/1/32
HM Ships compass bearings, N- Z, 1893, 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- M, 1892 (Manuscript) 1892 ACO/1/29
HM Ships compass bearings, A- M, 1892, 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) 1891-1904 ACO/9/2
Registers of correspondence in HM Ships, 1891-1904, Volume 1, A-M
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1907-1930 ACO/7/13
Daily record of the variation's of the compass entitled "Variation", 1907-1930, covering Lieutenant Alexander's period at the Admiralty Compass Observatory
HM Ships compass bearings, A- Z, 1886 (Manuscript) 1886 ACO/1/22
HM Ships compass bearings, A- Z, 1886, 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