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 / [William Mountaine].

  • Mountaine, William, active 1736-1778.
Date:
[1757]
Catalogue details

Licence: Public Domain Mark

Credit: 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 / [William Mountaine]. Source: Wellcome Collection.

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    ACCOUNT Of the Methods ufed to defcribe LINES, O N 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 Ufe in correcting the Longitude at SEA; with fome occafional Observations relating thereto. By WILLIAM MOUNTAINE, and JAMES DODSON, Fellows of the Royal Society. LONDO N: Printed for J. Moun t, andT. Page, on Tower-Hill