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Norwood, Richard,
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The sea-mans practice, contayning a fundamentall probleme in navigation, experimentally verified: namely, touching the compasse of the earth and sea, and the quantity of a degree in our English measures. Also, an exact method or forme of keeping a reckoning at sea, in an kinde or manner of sayling. With certaine tables and other rules usefull in navigation. As also in the plotting and surveying of places. The latitude of the principall places in England. The finding of currents at sea; and what allowance is to be given in respect of them. By Richard Norwood, reade of the mathematicks.

142 pp.

Norwood, Richard,

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, afte 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 their 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, reader o the mathematicks.

153 pp.; 1 leaf repaired

Norwood, Richard,