Skip to main content

Thomas Johnstone on finding longitude, 1806 - 1807

Reference Code: GBR/0180/RGO 14/36: 197-208

Scope and Contents

Five letters and a proposal on finding longitude by using the sun's bearing and by the lowest ascension of the pointers encircling the Pole.


  • Creation: 1806 - 1807


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 (


12 folio(s) (12 ff.) : Paper

Language of Materials



Johnstone, Thomas

Finding aid date

2011-12-07 17:36:35+00:00

Repository Details

Part of the Cambridge University Library Repository

Cambridge University Library
West Road
Cambridge CB3 9DR United Kingdom