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Correspondence on galvanic signals, 1852 - 1855

Reference Code: GBR/0180/RGO 6/611

Scope and Contents

Correspondence with the South Eastern Railway and the Electric Telegraph Company and related papers concerning galvanic signals. The papers cover the trials of the Greenwich Mean Time signal between Greenwich and London and Greenwich and Dover, and proposals for and implementation of an extension to the central Telegraph Office, Lothbury, London. There is also correspondence with the Electric Telegraph Company on the time ball service in the Strand, activated from Greenwich by telegraph, and on the use of a systemised time service. The correspondents include C.V. Walker and J.C. Clark.


  • Creation: 1852 - 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 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 11:52:01+00:00

Includes index.

Repository Details

Part of the Cambridge University Library Repository

Cambridge University Library
West Road
Cambridge CB3 9DR United Kingdom