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Correspondence on standard frequency transmissions, 1945 - 1954

Reference Code: GBR/0180/RGO 9/630

Scope and Contents

Correspondence and papers regarding standard frequency transmissions of the Royal Greenwich Observatory, including the following items:

Correspondence with H.M. Smith, 1954, including an extract from a paper by L. Essen on standard frequency time.

Correspondence with H.M. Smith regarding barometric pressure variations on the rate of B5, including a graph; investigations of the sub-soil at Herstmonceux; bore-holes for quartz resonators; and variations in the rate of ring crystals, 1953.

Correspondence with A. Kopff concerning comparisons of the N30 and FK3 catalogues, 1953.

Correspondence with Dr Spilbury of the National Physical Laboratory regarding the rate of frequency standard Q13, 1953.

Correspondence with H.M. Smith concerning the Tokyo time signal transmission and the motions of the Moon, 1951-1952.

Correspondence with the Dr Spilsbury and Dr Bullard of the National Physical Laboratory; Sir E. Appleton of the Admiralty; and the Department of Scientific Research concerning the Standard Frequency Transmission Service, including variations in units of time, adjustments and corrections, financing and users.

Correspondence on a visit to the Royal Observatory, Abinger, by the General Post Office, 1949.

Report of the Committee on the M.S.F., 1946.

Proposal for time and frequency transmissions, 1945.


  • Creation: 1945 - 1954


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 Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (


1 bundle(s) (1 bundle)

Language of Materials


Former / Other Reference


Finding aid date

2006-06-07 12:39:16+00:00

Includes index.

Repository Details

Part of the Cambridge University Library Repository

Cambridge University Library
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