Cursus mathematicus. Mathematical sciences : in nine books : comprehending arithmetick, geometry, cosmography, astronomy, navigation, trigonometry, with the description, construction, and use of geometrical and nautical instruments: and the doctrine of triangles applied to practice in mensurations of all kinds: as in longimetria, planometria, military architecture, or taking of heights, distances &c. surveying of land, woods, roads, &c. fortification. And in navigation, dialling, &c. : all which are disposed in such method and order as they ought to be read and practised, by such as would attain to a competent proficiency in them by their own industry (1690)
Leybourn, William · printed for Thomas Basset, Benjamin Tooke, Thomas Sawbridge, Awnsham and John Churchill · leaf 632
Differ : Sine f Th . rt , \ 2 P 38 30 iy . i ; 37 . 31 ' 93 . 15 23 . 15 981099 , \ tSZn 11 * * * * * J SP70 35 . 00 To which add Radius , it is 19 . 81099 cleg . t 0 fi , 3 ; p s P,given , J 2 ' The halt is 9 . 90549 . 8 53 33 nc lthe Angle Z . \ The Summ 9315 The Complement is ) 6 . r " r 1 / S P… … Appen - U u u
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