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Ralph Walker's azimuth compass, 1793 - 1795

Reference Code: GBR/0180/RGO 14/29: 99-126

Scope and Contents

From the Series:

The first part of collection is comprised of papers concerning the internal affairs of the Board of Longitude, including the granting of awards, accounts, minutes, committee papers, petitions and memorials, the loan of instruments, publications and the payment of staff. These are followed by a wide range of papers relating to the Board's work, concerning clocks, chronometers and other instruments; longitude and latitude; magnetic variation; schemes and inventions; tables; pendulum experiments; longitude stations; tides and trade winds; general astronomical topics; and perpetual motion and circle quadrature. The final papers relate to voyages of discovery, and include log books, journals and observations.


  • Creation: 1793 - 1795


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 (


30 folio(s) (30 ff.) : Paper

Language of Materials



Walker, Ralph

Finding aid date

2011-11-28 15:06:30+00:00

Repository Details

Part of the Cambridge University Library Repository

Cambridge University Library
West Road
Cambridge CB3 9DR United Kingdom