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Ratcliffe, John Ashworth, 1902 - 1987 (physicist)

 Person

Found in 2 Collections and/or Records:

 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 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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