Showing Records: 1 - 4 of 4
File
Correspondence regarding time signals, 1879 - 1893
File
Reference Code: GBR/0180/RGO 7/253
Scope and Contents
Miscellaneous correspondence regarding the following subjects:Telegraphs announcing errors and failures in the time signal, 1879-1880.Complaints about the time signal sent to Glasgow, the General Post Office and Portsmouth, 1880-1881.T. Lewis and W.H.M. Christie on the correction of the mean solar clock and errors in the 10 o'clock signal, 1884.Explanation by W.H. Preece to H.H. Turner that the failure of the time signal is due to poor batteries,...
Dates:
1879 - 1893
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).
Found in:
Cambridge University Library
File
Papers on telegraphic communications, 1851 - 1855
File
Reference Code: GBR/0180/RGO 6/627
Scope and Contents
Correspondence and papers concerning telegraphic communications, including several diagrams of galvanic wires in the Galvanic Room, basement and Front Court at the Royal Observatory, Greenwich; papers on galvanic circuits connected to clocks at the Royal Observatory; maps of principal galvanic wires in the Observatory Park and grounds; material on connections to the South Eastern Railway; papers on American transit equipment and telegraphs; patents for electric clocks by Messrs Barwise and...
Dates:
1851 - 1855
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).
Found in:
Cambridge University Library
File
Papers on telegraphs, 1863 - 1868
File
Reference Code: GBR/0180/RGO 6/479
Scope and Contents
Papers on scientific matters relating principally to telegraphs, including descriptions of the Bessemer Process; articles from the 'Reader and the Scientific Review' by W.F. Cooke on the invention of the electric telegraph; papers on galvanic currents by C. Brooke; 'The Telegrapher' on a constant galvanic battery; tests by J.C. Clark on submarine cables; 'Atlantic Telescopes' by W.R. Grove; alterations of a transit level by an earthquake; trials of navy telescopes; spectrum apparatus used at...
Dates:
1863 - 1868
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).
Found in:
Cambridge University Library
File
Papers on telegraphs and telescopes, 1859 - 1860
File
Reference Code: GBR/0180/RGO 6/473
Scope and Contents
Papers concerned principally with telegraphs and tests on Admiralty telescopes. The material on telegraphs includes tests and observations of deflections by C.F. Varley; a map of telegraph lines; a report on the South Australian telegraph; and a newspaper article on the Atlantic cable. The papers concerning Admiralty tests on telescopes include Airy's reports on his findings and correspondence with R.S. Dundas. Other material includes A. Sedgwick writing on Darwin's Theory in 'The Cambridge...
Dates:
1859 - 1860
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).
Found in:
Cambridge University Library