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Radcliffe Tracts 81 (5)Mountaine, William; Dodson, James
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
London: Printed for W. and J. Mount, T. Page and Son, on Tower-Hill, 1758.
[1934-41]
1758