Thomas Johnstone on the change of the variations of the compass and discovery of the magnetic pole, 1822 - 1827
Item
Reference Code: GBR/0180/RGO 14/43: 394-400
Scope and Contents
From the File:
Correspondence regarding the effect of magnetic variation on the mariner's compass, the use of magnetic variation to establish longitude and the cause of magnetic variation.
Dates
- Creation: 1822 - 1827
Creator
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 mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
Extent
8 folio(s) (8 ff.) : Paper
Language of Materials
English
Originator(s)
Johnstone, Thomas
Original geographic information
Glasgow [origination]
Original geographic information
London [destination]
Finding aid date
2011-12-17 11:11:58+00:00
Repository Details
Part of the Cambridge University Library Repository
Contact:
Cambridge University Library
West Road
Cambridge CB3 9DR United Kingdom
Map Dept enquiries: maps@lib.cam.ac.uk
all other enquiries: mss@lib.cam.ac.uk
Cambridge University Library
West Road
Cambridge CB3 9DR United Kingdom
Map Dept enquiries: maps@lib.cam.ac.uk
all other enquiries: mss@lib.cam.ac.uk