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Astronomical methods and instruments, 1875 - 1878

Reference Code: GBR/0180/RGO 6/175

Scope and Contents

Correspondence concerning new ideas on navigation, trials of existing equipment, the Greenwich transit circle and altazimuth, the purchase of a new telescope for New Zealand, and the sale of other instruments. The correspondents include E.J. Stone, W.H.M. Christie, W. De La Rue, E. Dunkin, A. d'Abbadie and Sir H. Grubb. There are papers by L.M. Rutherford on a glass circle for the measurement of angles; writing by G. Davidson on mechanical defects in micrometers; material on Sumner's method of navigation; various sales catalogues; an engraving of Newell's telescope; two photographs of a globe; and a chart for determining longitude and latitude without instrumentation.


  • Creation: 1875 - 1878


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 11:34:58+00:00

Includes index.

Repository Details

Part of the Cambridge University Library Repository

Cambridge University Library
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Cambridge CB3 9DR United Kingdom