NAVIGATION.
Norwood, Richard, 15907-1675.
Trigonometrie: or, The doctrine of triangles: divided into two books. The first, shewing the mensuration of right lined triangles: the second, of spherical ... Both performed by that late and excellent invention of logarithms ... Also other necessary tables used in navigation. By Richard Norwood ... This fifth edition being diligently corrected, in divers difficult places explained; new tables of the stars right ascensions and de- clinations added, and the whole work very much enlarged, by the author himself.
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