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Admiralty Compass Observatory, 1842-1971 (Manuscript) 1947 ACO/11/1
Manuscripts removed from Compass Department Library, R & D Progress Report, typescript, 1947 issue
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1956 ACO/S&T/17/4
Interim Report on Admiralty, A selection of trial results from HMS CUMBERLAND.
Correspondence with Dockyard Authorities, In letters and Out letters, 21 March 1842- April 1851 (Manuscript) 1842-03-21 - 1851-04-01 ACO/13/9
Correspondence with Dockyard Authorities, In letters and Out letters, 21st March 1842- April 1851
Correspondence between Superintendent and assistants, original letters from Superintendent and copies of letters from assistants, 12 September 1845- 24 March 1865 (Manuscript) 1845-09-12 - 1865-03-24 ACO/13/14
Correspondence between Superintendent and assistants, original letters from Superintendent and copies of letters from assistants, 12th September 1845- 24th March 1865
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1940-1958 ACO/S&T/18/1
CD (Compass Department) Pamphlets 5C, 11C, 12, 13, 14a, 15b, 17a, 17b, 19c, 23, 35, 36, 39, 40, 41b, 42, 43, 44, 45,10, 11d, 1940-58, on the compass.…
Correspondence between Superintendent and assistants, original letters from assistants, 6th June 1849- 16th April 1862 (Manuscript) 1849-06-06 - 1862-04-16 ACO/13/15
Correspondence between Superintendent and assistants, original letters from assistants, 6th June 1849- 16th April 1862. Loose typescript copies enclosed in this volumen have been transfered to ACO/13/19.
Typescript transcripts of Compass Observatory correspondence (ADM/235/1-15 above) (Manuscript) ACO/13/16
Typescript transcripts of Compass Observatory correspondence (ADM/235/1-15 above)
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1965-1966 ACO/S&T/18/3
CD Pamphlets 87-92, 102, 104, 1965-66, covering 'Notes on the Test Set Amplifier Compass'; 'Meridian Convergence Corrector' and 'Advance Information on the Artificial Horizon Periscope Sextant MK.2.'
Typescript transcripts of Compass Observatory correspondence, ADM/235/7-11 (Manuscript) ACO/13/18
Typescript transcripts of Compass Observatory correspondence, ADM/235/7-11
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1894-1902 ACO/9/4
Registers of correspondence in HM Ships, 1894-1902, Volume 3, small ships
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1904 ACO/S&T/16/1
Notebook by Commander Creagh-Osborne kept while at RNC Greenwich, prior to taking up appointment as Assistant Superintendent of the Compass Department.
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1917-1919 ACO/S&T/16/9
E Joyce Durnford's photograph album of the Admiratly Compass Observatory and its staff.
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1951 ACO/S&T/17/1
Notes on Gyro-stabilised Admiralty Transmitting Magnetic Compass, type 2.
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1891-03-25 ACO/S&T/15/3
Report on experiments made on board HMS AURORA to ascertain the causes and effects of heeling error by Captain E W Creak, Superintendent of Compass Department. These experiments led to the development of the Pattern 5 H E Instrument, still in use a century later.…
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1964 ACO/S&T/30/8
Admiralty Compass Observatory M.H.F (modulated high frequency) Magnetometer System.
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1968-1968 ACO/S&T/30/12
Laboratory Assessment of the Sperry Gyro Magnetic Compass G.M.Y.A, 1968
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1968 ACO/S&T/30/13
Report entitled, 'Effects of Optical Shimmer on Heading Transfer Tests.'
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1968 ACO/S&T/30/14
Report on the 'Comparative Trial of Arma Brown Mark 5 Gyro- Compass and Sperry GHYB Gyro Magnetic Compass in SRN3 Hovercraft.'
Entry Book of Admiralty Correspondence, with notes and minutes by Compass Superintendent, 14th January 1847- 8th November 1854 (Manuscript) 1847-01-14 - 1854-11-08 ACO/13/2
Entry Book of Admiralty Correspondence, with notes and minutes by Compass Superintendent, 14th January 1847- 8th November 1854
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1969 ACO/S&T/30/15
Report on the 'Magnetic Survey of 1st Production Nimrod XV226 for Magnetic Anomaly Detection Role', by E Chaston.
Entry Book of Admiralty Correspondence, with notes and minutes by Compass Superintendent, 8 November 1854- April 3 1873 (Manuscript) 1854-11-08 - 1873-04-03 ACO/13/3
Entry Book of Admiralty Correspondence, with notes and minutes by Compass Superintendent, 8 November 1854- April 3 1873