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Evans, Frederick John Owen, 1815 - 1885 (hydrographer)

 Person

Found in 2 Collections and/or Records:

 File

Correspondence on time balls and signals, 1870 - 1875

Reference Code: GBR/0180/RGO 6/617
Scope and Contents Correspondence and related papers on the time signal and time ball service, including the failures of the Greenwich time signal; requests for information on time balls; the establishment of time balls or guns at Queenstown, Sheffield, Bristol and Manchester; a paper by S.P. Langley 'On the Allegheny system of electrical time signals'; experiments with the Post Office chronopher; corrections and errors of the Post Office and Westminster clocks; the system of operation employed by the London...
Dates: 1870 - 1875
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 regarding time signals, 1879 - 1893

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).

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  • Subject: Sheffield X

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Bristol 1
Coventry 1
London 1
Queenstown 1
Telegraphy 1
 

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