Telegraphy
Subject
Subject Source: UK Archival Thesaurus
Found in 6 Collections and/or Records:
File
Correspondence on galvanic time, 1855 - 1858
File
Reference Code: GBR/0180/RGO 6/613
Scope and Contents
Correspondence and related papers on the communication of time by the Post Office telegraph. There are papers on the trials, costs and tests of clocks on the network; the regulation of clocks; proposals for time signals to be sent to naval dockyards from Greenwich; time balls at Portsmouth, Devonport, Sheerness, Glasgow, Hamburg, Liverpool and the City Observatory, London; and a report by Airy on the workings of the Devonport Time Ball and sketches of its galvanic arrangement. The...
Dates:
1855 - 1858
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 Deal time ball, 1858 - 1863
File
Reference Code: GBR/0180/RGO 6/621
Scope and Contents
Correspondence on the day to day running of the time ball at Deal, its telegraphic communications with Greenwich, and the transfer of ownership from the Admiralty to the South Eastern Railway. The correspondents include C.V. Walker, J. Washington and C.E. Paget.
Dates:
1858 - 1863
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 telegraphic communications, 1858 - 1860
File
Reference Code: GBR/0180/RGO 6/629
Scope and Contents
Correspondence and papers on telegraphic communications, including the failure of signals and breakdown of equipment; the agreement for use of the telegraph between the Admiralty and South Eastern Railway; renewal of telegraph wires in Greenwich Park; three samples of proposed cables, one being a specimen of Caoutchouc cable, with patent; notes on the arrangement of overhead wires; adjustments to the Greenwich sympathetic clock; R.L. Jones' system of clock regulation by electricity; a theory...
Dates:
1858 - 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).
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).
File
Papers on the galvanic longitude of Edinburgh, 1855 - 1858
File
Reference Code: GBR/0180/RGO 6/636
Scope and Contents
Papers regarding the operation to discover the longitude of Edinburgh by means of electric telegraph. The papers include material on the arrangement of stars for observation; calculations of longitude at Edinburgh deduced from observations; and instructions and arrangements for those involved in the tests, including J. Washington, W. Ellis, C.V. Walker, C.P. Smyth, J.C. Clark and C.F. Varley. There are also letters on the longitude of Paris by U.J.J. Le Verrier, of Brussels by L.A. Quetelet,...
Dates:
1855 - 1858
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).
Sub-Series
Papers on the galvanic longitude of Valentia, 1862
Sub-Series
Reference Code: GBR/0180/RGO 6/637
Scope and Contents
Correspondence and papers regarding the operation to discover the longitude of Valentia (Valencia), Ireland, by means of electric telegraph. The papers include correspondence on the project's requirements, preparations, arrangements and expenses; material produced during the earlier Ordnance Survey of the island, including tracings of the island and of Kingstown (DĂșn Laoghaire); papers on the loan of equipment; papers on the method of observation; E. Dunkin's daily journal kept during the...
Dates:
1862
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).