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Correspondence on new techniques and instruments, 1851 - 1853

Reference Code: GBR/0180/RGO 6/164

Scope and Contents

Correspondence on new techniques and instruments, including a clock for the uniform movement of a barrel, a new transit circle at Greenwich, observations with one altazimuth instrument, notes on the reflex zenith telescope, object glasses, determining longitude by telegraph by G.P. Bond, O.M. Mitchel's galvanic method of observing declination, and Eble's instrument for determining time and experiments with mercury. The correspondents include C. Pritchard, the Earl of Rosse, H.A.E.A. Fayé and various instrument makers. There are catalogues of instruments, a piece in 'The Civil Engineer and Architects Journal' on astronomical instruments at the Great Exhibition, an engraving of T. Cooke's equatorial telescope, and an advertisement for Miss Readhouse's lunar globes.


  • Creation: 1851 - 1853


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 11:34:35+00:00

Includes index.

Repository Details

Part of the Cambridge University Library Repository

Cambridge University Library
West Road
Cambridge CB3 9DR United Kingdom