Troughton and Simms
Organization
Found in 3 Collections and/or Records:
File
Correspondence on time balls, 1879 - 1927
File
Reference Code: GBR/0180/RGO 8/147
Scope and Contents
(1) General correspondence regarding time balls, 1879-1893, including the following material:Correspondence regarding reprints, ordered by G.B. Airy in 1880, of articles from 'Nature', 1876, concerning the distribution of time signals.Correspondence, 1879-1880, regarding the Prussian Government's request for information on colonial time in South Africa, Canada, India, St Helena, Mauritius, Australia, Tasmania and New Zealand, and similar requests from the U.S. Hydrographic...
Dates:
1879 - 1927
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 clocks and chronographs, 1888 - 1911
File
Reference Code: GBR/0180/RGO 7/45
Scope and Contents
Correspondence with T. Lewis and E. Dent and Co. concerning repairs to clocks and correspondence with W.H. Shepherd, 1888-1889.Correspondence with Victor Kullberg concerning the tender for the supply of new electric dials and the repair of old ones, 1897-1899.Correspondence with clockmakers, principally V. Kullberg and Dent and Co., concerning repairs to Royal Observatory clocks and chronometers, 1901-1911.Internal memoranda on the subject of clocks, chronographs and...
Dates:
1888 - 1911
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 instruments, 1895 - 1926
File
Reference Code: GBR/0180/RGO 7/44
Scope and Contents
1. SpectroscopesVarious memoranda concerning spectroscopes, 1901-1925.1. 'Spectroscope', 21 September 1901.2. 'Spectroscope', 23 September 1901.3. 'Photographic Spectroscope', January 1900.4. 'Photographic Spectroscope', 14 October 1901.5. 'Christie's direct-vision "half prism" spectroscope'.6. 'Wave lengths of spectrum lines'.7. 'Standard Wavelengths', 1922 (printed).8. 'Report on Pure Carbon Electrodes', 1925.2....
Dates:
1895 - 1926
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).
Additional filters:
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- Time measuring instruments 2
- Algiers 1
- Amsterdam 1
- Brisbane 1
- Colombo 1