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Telegraphy

 Subject
Subject Source: UK Archival Thesaurus

Found in 3 Collections and/or Records:

 File

Correspondence on galvanic time, 1849 - 1855

Reference Code: GBR/0180/RGO 6/612
Scope and Contents Correspondence on the communication of time by telegraph to Exeter, Norwich, the Bank of England, Portsmouth, Plymouth and Southampton. The papers include complaints about alleged inaccuracies of the Liverpool Time Ball; a request for a clock for the Greenwich Hospital School Observatory; galvanic regulations of the clocks at the General Post Office and the Athenaeum; and the construction of sympathetic galvanic clocks. The correspondents include C.V. Walker, J.C. Clark, S.H. Northcote, G....
Dates: 1849 - 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).
 File

Correspondence on galvanic time, 1855 - 1858

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

Papers on the galvanic longitude of Brussels, 1853

Reference Code: GBR/0180/RGO 6/634
Scope and Contents Correspondence and papers regarding the determination of the longitude of Brussels by observing set stars and taking the difference between the local time and Greenwich Time received by telegraphic signal. The material includes Airy's paper 'Difference of longitude between the Observatories of Brussels and Greenwich as determined by galvanic signals'; a similar piece for 'The Athenaeum'; instructions to those involved and to the Submarine and European Telegraph Company; comparisons of the...
Dates: 1853
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).

The UK Archival Thesaurus has been integrated with our catalogue, thanks to Kings College London and the AIM25 project for their support with this.