Nicoll, John, fl1804 (petitioner to the Board of Longitude)
Person
Found in 1 Collection or Record:
Item
John Nicoll on a new mariner's compass to show its own variation, 1804
Item
Reference Code: GBR/0180/RGO 14/42: 197-203
Scope and Contents
From the File:
Correspondence regarding the effects of magnetic variation on the mariner's compass, the use of magnetic variation to establish longitude and the cause of magnetic variation.
Dates:
1804
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).