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Papers on the longitude of Valentia, 1843 - 1845

Reference Code: GBR/0180/RGO 6/187

Scope and Contents

Geodetic equations based on the 'Longitude of Valentia' (Valencia) project. The papers include personal equations and geodetic formulae; a diagram of the triangulation employed; angles of places from Butser Hill, Hampshire, and other locations; abstract of latitudes, longitudes and azimuthal bearings; schemes and instructions for the reductions of the observations; and an account of the whole project in draft form by Airy, missing several pages.


  • Creation: 1843 - 1845


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 11:35:23+00:00

Includes index.

Repository Details

Part of the Cambridge University Library Repository

Cambridge University Library
West Road
Cambridge CB3 9DR United Kingdom