Cooke, Troughton and Simms Ltd
Organization
Found in 5 Collections and/or Records:
File
Correspondence on instruments, 1915 - 1930
File
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,...
Dates:
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 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
Correspondence on the reversible transit circle, 1954 - 1955
File
Reference Code: GBR/0180/RGO 9/105
Scope and Contents
Correspondence regarding the reversible transit circle, including letters from A. Hunter to L.S.T. Symms regarding the reversible transit circle azimuth lenses, 1955; correspondence with Cooke, Troughton and Simms Ltd regarding the reversible transit circle, 1954; and letters from L.S.T. Symms to W.D. Wright regarding the zenith distance micrometer, 1954.
Dates:
1954 - 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).
File
Correspondence on the transit circle, 1937 - 1961
File
Reference Code: GBR/0180/RGO 9/85
Scope and Contents
Correspondence regarding the Royal Greenwich Observatory's new transit circle, including the following items:Correspondence with Optical Works Ltd regarding filters for use in the solar eye-piece of the transit circle, 1961.List of optical parts and accessories for the 10-inch Cooke Refractor Telescope and transit instrument that was being offered by C. Baker of High Holborn, London, to A.N. Singh, with a request from Dr Singh regarding the R.G.O. testing the telescope before...
Dates:
1937 - 1961
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 Transit Circle I, 1878 - 1923
File
Reference Code: GBR/0180/RGO 7/31
Scope and Contents
Report by H.H. Turner on the inclination of the horizontal wire of the transit circle, 24 November 1890.Fifteen tables, one for each year, showing the monthly inclination of the horizontal wire of the transit circle, 1878-1892.Correspondence on the loan of an instrument from the City and Guilds Engineering College to determine the flexure of the transit circle, 1915.Correspondence with Troughton and Simms and with H.H. Turner concerning the difference between...
Dates:
1878 - 1923
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 Transit Circle II, 1875 - 1936
File
Reference Code: GBR/0180/RGO 7/32
Scope and Contents
Correspondence with Troughton and Simms regarding the polishing of the transit circle object glass and the subsequent overhaul of the instrument, as well as the proposal to fit an aluminium dew cap to the transit circle, 1906.Correspondence with Troughton and Simms on the improved illumination of the transit circle, 1908.Correspondence with Troughton and Simms on the new travelling wire micrometer for the transit circle, including estimates, specifications, and the order and...
Dates:
1875 - 1936
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).