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Newton, John, fl1788 - 1789 (petitioner to the Board of Longitude)

 Person

Found in 2 Collections and/or Records:

 Item

John Newton on a true bearing needle, 1789-06-12

 Item
Reference Code: GBR/0180/RGO 14/42: 143-145
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: 1789-06-12
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).
 Item

Letter from John Newton to Nevil Maskelyne, 1788-10-26

 Item
Reference Code: GBR/0180/RGO 14/40: 521-521a
Scope and Contents

Concerning his invention 'for discovering the longitude by a true bearing' which involved 'a real timepiece', and which he claims much exceeded calculations based on lunar distance; addressed from Whitehaven, Cumberland.

Dates: 1788-10-26
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).