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Papers on determining galvanic longitudes, 1852 - 1854

Reference Code: GBR/0180/RGO 6/633

Scope and Contents

Correspondence and papers concerning the use galvanic signals to determine longitude. The papers describe the attempts to establish the longitude of the Edinburgh, Oxford and Cambridge Observatories by observing set stars and taking the difference between the local time and the Greenwich Time received by telegraphic signal. Other centres included in the project, but not necessarily tested, were Liverpool, Dublin, Vienna, Bristol and Lowestoft. The papers include correspondence with C.P. Smyth, J.C. Clark, C.V. Walker, M.J. Johnson, J. Challis, W.R. Hamilton, W. Whewell and J.J.V. Littrow.


  • Creation: 1852 - 1854


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