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Papers on the Geodetic Zenith Sector, 1836 - 1846

Reference Code: GBR/0180/RGO 6/416

Scope and Contents

Material concerning work with the Geodetic Zenith Sector for the trigonometrical survey of the United Kingdom. There are observations of stars with the zenith sector; papers on adjustments and equipment alterations to the instruments; sketches of instruments; zenith distances; proceedings of the Royal Astronomical Society; and a map of principal triangles in the United Kingdom. There is also correspondence with T.W. Colby, W. Denison, W. Yolland, W. Simms, J. Hornby and D.J.F. Arago.


  • Creation: 1836 - 1846


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 11:43:24+00:00

Includes index.

Repository Details

Part of the Cambridge University Library Repository

Cambridge University Library
West Road
Cambridge CB3 9DR United Kingdom