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Admiralty Compass Observatory, 1842-1971 (Manuscript) 1960 ACO/S&T/30/3
Servo Test on AP 160400 Compass, Retransmission Unit by W P Anderson, A E Lee and R H Stretton.
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1953-1955 ACO/S&T/15/2
Compass Department memoirs by Commander W E May: list of naval officers of the Executive and Navigating branches of the Compass Department; the cost of the Compass Department; and biographies of officers of the Department including Johnson, Drake, Tully and Henderson.
HM Ships compass bearings, A- T, 1900 (Manuscript) 1900 ACO/1/50
HM Ships compass bearings, A- T, 1900, 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, N- Z, 1901 (Manuscript) 1901 ACO/1/53
HM Ships compass bearings, N- Z, 1901, 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, N- Z, 1904 (Manuscript) 1904 ACO/1/58
HM Ships compass bearings, N- Z, 1904, 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, N- Z, 1903 (Manuscript) 1903 ACO/1/55
HM Ships compass bearings, N- Z, 1903, 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- T, 1903 (Manuscript) 1903 ACO/1/56
HM Ships compass bearings, A- T, 1903, 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, 1898 (Manuscript) 1898 ACO/1/42
HM Ships compass bearings, A- M, 1898, 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, N- Z, 1898 (Manuscript) 1898 ACO/1/43
HM Ships compass bearings, N- Z, 1898, 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) 1968-1970 ACO/12/1/1
Compass Patents, compiled by Commander. W.E. May R.N., 7 February 1968 and inventory of a collection of books and pamphlets from the Compass Observatory, Slough, 1970. Related Material ACO/12/1/2
HM Ships compass bearings, A- M, 1899 (Manuscript) 1899 ACO/1/46
HM Ships compass bearings, A- M, 1899, 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- T, 1899 (Manuscript) 1899 ACO/1/47
HM Ships compass bearings, A- T, 1899, 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, N- Z, 1899 (Manuscript) 1899 ACO/1/45
HM Ships compass bearings, N- Z, 1899, 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, 1900 (Manuscript) 1900 ACO/1/48
HM Ships compass bearings, A- M, 1900, 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
Record of Swings and Brief Analysis, 1904- 1914 (Manuscript) 1904-1914 ACO/2/21/1
Record of Swings and Brief Analysis, 1904- 1914, volume marked Register of Correspondence, ships swung in order to test the deviation of the compass.
Related Material ACO/2/21/2.…
Magnetic Compass Phenomena reported by S. S. Hankow, 1881 (Manuscript) 1881 ACO/4/3/5
Magnetic Compass Phenomena reported by S. S. Hankow, 1881
Record of Swings and Brief Analysis, 1904- 1914 (Manuscript) 1904-1914 ACO/2/21/2
Record of Swings and Brief Analysis, 1904- 1914, volume marked Register of Correspondence, ships swung in order to test the deviation of the compass.
Related Material ACO/2/21/1.…
Captain Creaks' Correspondence and Comments (CD staff), On Torpedo Boat Compasses, 1887- 1892 (Manuscript) 1887-1892 ACO/4/5/1
Captain Creaks Correspondence and Comments (CD staff), On Torpedo Boat Compasses, 1887- 92
Admiralty Compass Observatory, 1842-1971 (Manuscript) ACO/12/4/2
Addendum to the catalogue of museum of magnetic compasses etc marked 'Copy No 2'
Admiralty Compass Observatory, 1842-1971 (Manuscript) ACO/12/4/1
Addendum to the catalogue of museum of magnetic compasses etc, marked 'Hall Copy'
Report on the Magnetic Observations made on the Arctic Voyage of HMS ALERT and HMS DISCOVERY by Staff Commander. Creak, 1875- 1876 (Manuscript) 1875-1876 ACO/4/3/1
Report on the Magnetic Observations made on the Arctic Voyage, 1875- 1876, on board HMS ALERT and HMS DISCOVERY compiled by Staff Commander. Creak
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1766-1859 ACO/7/4
Specifications of Patents: Mariners Compasses 1766-1859.