Ratcliffe, John Ashworth, 1902 - 1987 (physicist)
Person
Found in 4 Collections and/or Records:
File
Departmental correspondence, 1964-08-28 - 1968-02-28
File
Reference Code: GBR/0180/RGO 10/598
Scope and Contents
Miscellaneous departmental correspondence, including correspondence with F. Ward of the United States Air Force, Cambridge Research Laboratories, Bedford, Massachusetts; J.A. Ratcliffe of the Radio and Space Research Station, Slough; F. Heard of the David Dunlap Observatory, Ontario, Canada; Father F. Bertian of the Specola Vaticana, Castel Gandolfo, Vatican City; A.D. Thackeray of the Radcliffe Observatory, Pretoria; B.G. Pressey of the Science Research Council; Pierre Langue of the...
Dates:
1964-08-28 - 1968-02-28
Conditions Governing Access:
From the Management Group:
Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
File
Papers on quartz clocks, 1945 - 1963
File
Reference Code: GBR/0180/RGO 9/626
Scope and Contents
Correspondence and papers regarding quartz clocks, including the following items:Correspondence with M.L. Bateman and A. Hunter regarding the new the 'Isatome' portable quartz clock, 1963.Letter from H.M. Smith to the Division of Scientific Intelligence, Ministry of Defence, regarding Russian work on quartz clocks, 1957.Correspondence with H.M. Smith concerning the Time Department's move to Herstmonceux and the performance of ring crystals, including graphs,...
Dates:
1945 - 1963
Conditions Governing Access:
From the Management Group:
Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
File
Papers on the Royal Astronomical Society, 1949 - 1957
File
Reference Code: GBR/0180/RGO 9/601
Scope and Contents
Correspondence and papers regarding the Royal Astronomical Society, including notices of meetings; programmes; correspondence concerning papers to be read; memorandum concerning attendance at meetings, travel arrangements, etc.; correspondence on subscriptions; and correspondence, photographs and reports regarding the Isaac Newton Telescope. The correspondents include Dr J.A. Ratcliffe, Dr W. Heintz, G.J. Whitrow, C.W. Allen, A.W. Rodgers, Professor H. Bondi, Professor J.H. Oort, Dr A. Hogg,...
Dates:
1949 - 1957
Conditions Governing Access:
From the Management Group:
Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
File
Papers on time signals, 1939 - 1955
File
Reference Code: GBR/0180/RGO 9/629
Scope and Contents
Correspondence and papers regarding time signals, including the following items:Correspondence between H. Spencer Jones, H.M. Smith and the Admiralty concerning equipment required and installations at Abinger, clock radio receivers and aerial systems, 1952-1955.Correspondence with Central Rediffusion Services Ltd and the Admiralty concerning the availability of the 6 pips time signal for the Independent Television Authority, 1955.Correspondence between R. Atkinson and...
Dates:
1939 - 1955
Conditions Governing Access:
From the Management Group:
Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
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- Time 1
- Time measuring instruments 1