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Papers on magnetic instruments and tests, 1862 - 1867

Reference Code: GBR/0180/RGO 6/679

Scope and Contents

Correspondence and papers concerning new magnetic instruments and results of tests. There are papers regarding the annual examination of magnetic declinations; horizontal force magnets; damper experiments with the declination magnets; old vertical and horizontal force instruments; lists of dislocations of the vertical force magnets; new vertical force magnets; comparisons of the Greenwich photographic records with those at Kew Observatory; magnet thermometer line graphs; a new underground holding for magnets; notes on the temperature of the magnetic basement room; unifilar magnets; J.A. de Souza's report on the Kew Observatory; S. Toovey's azimuth dial; and improved glass and ebonite cylinders for photographic sheets. The correspondents include J.V. Lamont, W.H. Miller, J.P. Gassiot, C. Brooke and B. Stewart.


  • Creation: 1862 - 1867


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 11:54:31+00:00

Includes index.

Repository Details

Part of the Cambridge University Library Repository

Cambridge University Library
West Road
Cambridge CB3 9DR United Kingdom