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Correspondence on pure mathematics, 1847 - 1852

Reference Code: GBR/0180/RGO 6/429

Scope and Contents

Miscellaneous correspondence and some related papers on pure mathematics and other subjects. The correspondents include, among others, J.G.S. Lefevre, J. Phillips, G. Cayley, H. Ellis and F. Beaufort. There is material on integrated equations; squaring the circle or the quadrature of the circle; a calculating machine; the tides and the Moon; an experiment to show the rotation of the Earth by means of a pendulum, with a paper by B. Powell for the Royal Institution of Great Britain; a piece by E.H. Rowland in 'The Carlisle Journal' on the rotation of the Earth; other pendulum experiments; a machine for measuring the Earth's revolutions, with a watercolour picture; J. Ferguson's fortifications and defences in Southern England; and writing by C. Lyell on the movement of shingle. There is also a letter by Airy to 'The Examiner' on the economic depression in 1847.


  • Creation: 1847 - 1852


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 11:43:48+00:00

Includes index.

Repository Details

Part of the Cambridge University Library Repository

Cambridge University Library
West Road
Cambridge CB3 9DR United Kingdom