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Telegraphy

 Subject
Subject Source: UK Archival Thesaurus

Found in 3 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
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Correspondence on time signals, 1884 - 1913

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Reference Code: GBR/0180/RGO 7/254
Scope and Contents Miscellaneous correspondence and related papers on the following subjects:Covering letter from W.H.M. Christie to a report by the Board of Visitors, received with thanks by C.A.B. Patey, 1888.Letter from W.H. Preece regarding Treasury matters, 1888.Mr Raikes' reply to a parliamentary question on the time service transmitted by J.W. Board, 1888.Letters from Christie to W.H. Preece regarding reforms of the time signal service, with letters of acknowledgement...
Dates: 1884 - 1913
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Correspondence regarding time signals, 1879 - 1893

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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