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Admiralty Compass Observatory, 1842-1971 (Manuscript) 1946 ACO/S&T/12/6
Compass Department translation (No.12) typescript paper entitled 'Description of Equipment for Distant Transmission Using Control Bridge Networks and Thyratrons' by Siemens, Berlin.
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1946 ACO/S&T/12/7
Measurement of Acceleration by Wireless by G Loeser at the Halstead Exploiting Centre.
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1945-1949 ACO/S&T/12/8
Compass Department (CD) translations of German documents. Subjects include the magnetic amplifier; gimbal errors of torpedo directional gear; and equipment for distant transmission using control bridge networks and thyratrons.…
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1970 ACO/S&T/29/14
Report, Phase Stability of Gyroscopic Wheel Supplies, Part 1.
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1970 ACO/S&T/29/16
Report, Investigations into the Requirements for Phase Stability of Gyroscopic Wheel Supplies, Part 2 by J H Norton.
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1946 ACO/S&T/13/2
Section R ACO, R19- The Beirns mathematical theory of magnetic compass, R20 (2) North Polar Flight of ARIES in 9 parts: Narrative, Navigation, Meteorology, compass, terrestrial magnetism, communications and radar, medical aspects, notes on history of arctic exploration and a bibliography.
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1970 ACO/S&T/29/17
Report, Appraisal Trial of a Sperry MU23 Mod L1 Gyro Compass, D.W. NAV (N) report, by H Wynne Williams.
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1939-1945 ACO/S&T/13/4
Report on Armoured Fighting Vehicles (AFV's) in the Mediterranean Theatre, printed in 1945.
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1958-1959 ACO/S&T/11/12
Compass Trials 1958 on HMS CUMBERLAND, trial numbers 57/N2, 58/N1, 58/N2.
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1958 ACO/S&T/11/13
Modifications to Compass Equipment fitted in HMS Cumberland in 1958 Trials
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1940 ACO/S&T/29/1
Description and instructions for the Gyro Distant Reading (DR) Compass, AP (Air publication) 1767 Vol.1.
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1944 ACO/S&T/29/2
Report and Drawings, Magnetic Compass MK1, ALT Azimuth Stabilization and Drawings.
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1953 ACO/S&T/11/14
Report, Trials of AGM5, in HMCS Quebec, typescript.
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1952 ACO/S&T/11/16
Preliminary Handbook of the Admiralty Gyro Magnetic Compass Types (AGM5).
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1961 ACO/S&T/29/5
Technical notes, Damping of Saturated Position Control, Servo Mechanisms, by R H Stretton.
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1963 ACO/S&T/29/7
Arma Brown Gyrocompass Mk.1 Mod 0, Report on Trials at ACO and at sea in HMS FINWHALE and HMS HARDY.
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1947 ACO/S&T/12/5
Translated report on the 'Polkreisel' a gyro direction indicator, by Dr P Christoph.
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1947 ACO/S&T/23/9
Report entitled, 'Some Notes on an Oil Bearing' by R R Orton.
Admiralty Compass Observatory, 1842-1971 (Manuscript) 1954-12-07 - 1954-12-09 ACO/S&T/23/12
Report of periscope sextant type CH 67: sea trials of moving lens device in HMS TIPTOE.