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Radcliffe Tracts 13 (8)Dunn, Samuel
Improvements in the Doctrine of the Sphere, Astronomy, Geography, Navigation, etc. Deduced from the Figure and Motion of the Earth; and Absolutely Necessary to be Applied in finding the true Longitude At Sea and Land. Rendering all other Methods more correct, and in some Cases by more than half a Degree or 30 geographical Miles
London: Printed for the Author, 1765.
[1934-41]
1765