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Telegraphy

 Subject
Subject Source: UK Archival Thesaurus

Found in 3 Collections and/or Records:

 Sub-Series

Papers on determining galvanic longitudes, 1858 - 1859

 Sub-Series
Reference Code: GBR/0180/RGO 6/638
Scope and Contents Correspondence and papers regarding the determination of longitudes by means of telegraph. There are papers on the difference in longitude between Paris and Greenwich, with observations and transits for clock errors; U.J.J. Le Verrier's determination of the longitude of Le Havre; A. Loussedat's determination of the difference in longitude between Toulouse and Montpellier; the longitude of Glasgow; and the difference in longitude between Altona and Schwerin. There are also papers relating to...
Dates: 1858 - 1859
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).
 File

Papers on the galvanic longitude of Paris, 1854

 File
Reference Code: GBR/0180/RGO 6/635
Scope and Contents Correspondence and papers regarding the determination of the longitude of Paris by observing set stars and taking the difference between the local time and Greenwich Time received by telegraphic signal. The papers include a piece, in French, on the difference in the longitudes of the Paris and Greenwich Observatories, found in 'Compte Rendu des séances de l'Academie des Sciences'; an article for the daily papers on the experiment to determine Paris' longitude; a piece on the project, in...
Dates: 1854
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).