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 390
Cursus Mathematicus , 354 Except only because there the quantity / « It makes signed — , and here the like quantity p is signed ddaa — 2daaa - \ ~ aaaa ~ \ - bbaa — ddcc ‘ — 2deca ~ \ - ccaa y - f , I shall ( although this cafe only is demon That is , strated in Des Cartes ' ) here demonstrate it… … - \ ~ e * - \ - lde i ~ y £ ddee ~ \ - xddde ' \ - i \ dddd Describe the Parabola sap , according to the — — 2 de 3 — 3 < idee — * ddde - \ ~ ^ dddd 7 Parametre d y ( that is a / , ) and let a e be the - \ - ffe e + dffe - j - \ ddff = o Axis , and make acz = \ d , c e — \ m y and at - } - 2 dcce ~…
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