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Admiralty Compass Observatory, 1842-1971 (Manuscript) 1961 ACO/S&T/15/8
SINS History, records of first runs of SINS (Ships' Inertial Navigation Systems) at the ACO, some design problems in inertial navigation by Dr. W. Cawood (Env A.3).
Miscellaneous Correspondence, Out- letters to compass makers and miscellaneous correspondence, 4th January 1847- 4th January 1868 (Manuscript) 1847-01-04 - 1868-01-04 ACO/13/4
Miscellaneous Correspondence, Out- letters to compass makers and miscellaneous correspondence, 4th January 1847- 4th January 1868
Miscellaneous correspondence, In letters to compass makers and misc correspondence, 3 October 1849- 18 March 1883 (Manuscript) 1849-10-03 - 1883-03-18 ACO/13/5
Miscellaneous correspondence, In letters to compass makers and misc correspondence, 3 October 1849- 18 March 1883
Inclining Experiments for Heeling Error, conducted by Captain Creak, HMS PENGUIN, observations for variation, 1905 (Manuscript) 1905 ACO/4/12/3
Inclining Experiments for Heeling Error, conducted by Captain Creak, HMS PENGUIN, observations for variation, 1905
Compass Cards - A proposal to change to 0-360 degrees, 1900 (Manuscript) 1900 ACO/4/11
Compass Cards, An American proposal to change to 0-360 degrees, in 1900
Inclining Experiments for Heeling Error, conducted by Captain Creak, HMS AURORA, 1891, with Creak's report to the Hydrographer (Manuscript) 1891 ACO/4/12/1
Inclining Experiments for Heeling Error, conducted by Captain Creak, HMS AURORA, 1891, with Creak's report to the Hydrographer
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1842 ACO/7/3
Register of the examination of instruments, volume 1, from 1842, includes Admiralty Patents: Compasses only and throughout their careers
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1868-1873 ACO/7/8
Register of the examination of instruments, compasses examined, 1868-1873
Correspondence between Captain Creak and Lieutenant Piechl with a description of his revised compass corrector, 1888-1889 (Manuscript) 1888-1889 ACO/4/10/2
Correspondence between Captain Creak and Lieutenant Piechl with a description of his revised compass corrector, 1888-1889
Reports on Sea Trials conducted on the Piechl Compass and corrector, 1889- 1893 (Manuscript) 1889-1893 ACO/4/10/3
Reports on Sea Trials conducted on the Piechl Compass and corrector, 1889- 93
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1936-1944 ACO/7/6
Experiments carried out at the ACO, volume 3, 1936-1944, bound volume
Draft notes and minutes by the Hyrdographer and Superintendent of Compasses, re: electrical matters, 1891-1898 (Manuscript) 1891-1898 ACO/4/8/5
Draft notes and minutes by the hydrographer and Superintendent of Compasses, re: electrical matters, 1891-1898
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1919 ACO/7/1
Records of Observation for Deviation, 1919, bound volume
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1919 ACO/7/2
Records of Observation for Deviation, 1919, bound volume
Original Drafts of Minutes by the Hydrographers and Superintendent of Compasses, 1889- 1898 (Manuscript) 1889-1898 ACO/4/7
Original Drafts of Minutes by the Hydrographers and Superintendent of Compasses, re: compass matters, 1889- 98
Admiralty Compass Observatory, 1842-1971 (Manuscript) ACO/12/8
Addendum to the Catalogue of the Museum of Magnetic Compasses etc. (copy no.1)
Patent files of P Thiessen of Deutsche Seewarte (PG 25343), Abstract of contents of an item (1); a new type of distant reading system, 1947 (Manuscript) 1947 ACO/13/29
Patent files of P Thiessen of Deutsche Seewarte (PG 25343), Abstract of contents of an item (1); a new type of distant reading system, 1947
Notes on correction of magnetic compass in ships (reprint), 1949 (Manuscript) 1949 ACO/13/30
Notes on correction of magnetic compass in ships (reprint), 1949
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1944 ACO/11/12
Admiralty Charts, France, North Coast, charts 2703 & F.1015, G.S.G.S No. 4250 Sheet 6E/6, includes other Charts of France and listings for original French charts of Indo- China geographical coverage received from the Hydrographic Dept. Taunton, 30 June 1944 (charts not included)
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1901-1904 ACO/11/13
'Variations At Sea', readings from 1901-1904, re: compass variations
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1904-04-13 - 1904-04-13 ACO/S&T/21/1
Admiralty Research Laboratory (A.R.L) Gunnery Gyro Compass Handbook, Instructions for adjusting and running the equipment, 1936