Iosephi Torelli veronensis Elementorum prospectivae libri II : opus posthumum (1788)
Torelli, Giuseppe, 1721-1781, Bertolini, Giovanni Baptista · Veronae : Ex officina Moroniana · leaf 71
O P O S I T I O XVIIL Data fphaera pofitione & magnitudine,,datoque extraipfam punclo aliquo, figuram tjus iegmento infcribere,cujus fit bafis circulus, ad quem rectas fphaeram a datopuncto contingentes pertingunt, vertex ad pundum da-tum; tuin ejufdem. figurae veftigium,, angulorumque… … Y £X1Tl ctum I, centrum C , ac punctum E planum fe&ionem faciensin fphara circulum AEB, & in fubjecto plano rectam EK ; at-que intelligantur ductar effe a puncto I re&x IA , IB circuluniAEB contingentes, junctaque recta» tum AB, tum CI ipfam ABfecans in puncto M. Erunt utique anguli ad…
Perspective · Geometry
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