Copy of Sir Isaac Newton's opinion on methods for determining longitude at sea dated 1714, with a later note dated 1741/2 on the agreement of the best method by those named.

Copy of Sir Isaac Newton's opinion, as expressed at a Committee meeting, 11 June 1714, re: methods for determining longitude at sea: 'by a watch to keep time exactly'; 'by the eclipses of Jupiter's satellites'; and 'by the place of the Moon'. With a note, dated 16 January 1741/2, that the first method would be the best, as agreed by: Martin Folkes; Robert Smith; James Bradley; J Colson; George Grahame; Edmund Halley; William Jones; George, Earl of Macclesfield; James Jurin; Charles Cavendish; Abraham de Moivre; and John Hadley.

Related Material the <a href="http://cudl.lib.cam.ac.uk/view/MS-BGN-00000/1">Board of Longitude Digital Archive</a> for a digitised copy of this item.

Record Details

Item reference: BGN/1; WB/12
Catalogue Section: Personal collections
Level: ITEM
Extent: 1 item
Date made: 1742-01-16 - 1742-01-16
Creator: Barrington-Shute, William Wildman
Credit: National Maritime Museum, Greenwich, London. Purchased with the assistance of the Heritage Lottery Fund