An account of the methods used to describe lines, on Dr. Halley's chart of the terraqueous globe ; shewing the variation of the magnetic needle about the year 1756, in all the known seas ; their application and use in correcting the longitude at sea ; with some occasional observations relating thereto
By: [William Mountaine]
Contributors: Halley, Edmond, 1656-1742; Dodson, James, -1757
Publisher: J. Mount & T. Page
Published: 1757
Place of publication: London
Language: eng
Number of pages: 16
Notes: ESTC N478230.