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Opera geometrica Evangelistæ Torricellii .. (1644)

Torricelli, Evangelista, 1608-1647 · [Florentiæ, typis A. Masse & L. de Landis] · leaf 312

An illustration from Opera geometrica Evangelistæ Torricellii .., 1644, leaf 312
cylindrus ad fphaeram eft fcfquialter ; ergo parallelogrammum etiam A D parabolae fefquialterum erit: deipfa parabola inferipti fibi trianguli fefquitertia j vtin praecedenti conclufum eft . Qupd &c. Lemma XXII. Si magnitudines quotcunque ad libram appenfe fuerint cx quibufcunq;pun(ftis: totidemq;… … (d''fnt proportionales : nempe '.Vt c ad ita fto ad h. Ite- rum ut c ad e , ita ft g ad i . (^c. Dico idem pundlum Ubra ejfe centrum commune aquiUbrq utriufque ordinis magnitudi- num fufp en far um . Cum enim ft ut c ad d, ita ^ ad.> h , ex eodem puniio f-quipon- derabunt ^tam du^ magnitudines c ^…

Geometry · Mechanics

Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.

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