An edition of Trigonometrie, or, The doctrine of triangles (1651)

Trigonometrie, or, The doctrine of triangles

divided into two books : the first shewing the mensuration of right lined triangles, the second of sphericall, with the grounds and demonstrations thereof , both performed by that late and excellent invention of logarithmes, after a more easie and compendious manner, then [sic] hath been formerly taught : whereunto is annexed, chiefly for the use of seamen, a treatise of the application thereof in the three principal kindes of sayling : with exact tables of the suns declination, newly calculated, and tables of the right ascension and declination of some eminent fixed stars, with the true times of the coming to the meridian at 4, 12, and 8 of the clock : fitted for the present season, and may serve for many years without any alteration : also other necessary tables used in navigation

By Richard Norwood