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Correspondence on instruments, 1915 - 1930

Reference Code: GBR/0180/RGO 8/39

Scope and Contents

Miscellaneous correspondence regarding astrographical instruments, heliographs and micrometers, including the following material:

Correspondence with Sir Harold Grubb and Sons on the repair of the clock of astrographic equatorial, 1919-1920.

Correspondence with Professor Turner on the supply of a réseaux, and with Cooke, Troughton and Simms on a photoheliograph, 1915-1925.

Correspondence with the Mount Wilson Observatory on a spectrohelioscope, 1929-1930.

Correspondence with Sir Howard Grubb and Sons on the repair of the 13-inch astrographic telescope, 1930.


  • Creation: 1915 - 1930


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

2006-04-24 14:56:36+00:00

Includes index.

Repository Details

Part of the Cambridge University Library Repository

Cambridge University Library
West Road
Cambridge CB3 9DR United Kingdom