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Correspondence on time balls and signals, 1875 - 1878

Reference Code: GBR/0180/RGO 6/618

Scope and Contents

Correspondence and related papers on the time signal and time ball service, including the failures of the Greenwich time signal; notes and a report on the time signals at Portsmouth Dockyard; questions and answers on the Edinburgh time signals; a list of British time signal stations; enquiries from various individuals and the Norwegian and Swedish governments on time signals; time balls proposed for Calcutta and the West Indies; errors and corrections in the Westminster and Post Office clocks; regulation of clocks; and J.R. Lund's apparatus for setting clocks. The correspondents include F.J.O. Evans, C.P. Smyth, R. Grant, W.H.M. Christie and R. Hall.


  • Creation: 1875 - 1878


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 Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (


1 archive box(es) (1 box)

Language of Materials


Former / Other Reference


Finding aid date

2006-01-06 11:52:17+00:00

Includes index.

Repository Details

Part of the Cambridge University Library Repository

Cambridge University Library
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Cambridge CB3 9DR United Kingdom