Skip to main content

Correspondence on terrestrial longitude, 1833 - 1848

Reference Code: GBR/0180/RGO 6/181

Scope and Contents

Correspondence on finding terrestrial longitude by testing chronometers at the culmination of Moon and stars. There is material on the longitudes of Chelmsford, Limerick, Port Stephen (Australia), Paris, Edinburgh, Antwerp, Dublin, Armagh, Cambridge, Oxford, Bedford, Hartwell, Portsmouth, Devonport, Hamburg, Liverpool and Regent's Park. The correspondents include E.J. Cooper, J.C. Fremont, P.P. King, W.H.C. Bartlett, Sir F. Beaufort, G. Fisher, E. Sabine, T. Henderson, R. Sheepshanks, J. Challis, W.H. Miller and T.M. Brisbane. The chronometers used were mainly by E.J. Dent, but also include those of R. Molyneux and M. Briquet.


  • Creation: 1833 - 1848


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