Iosephi Torelli veronensis Elementorum prospectivae libri II : opus posthumum (1788)
Torelli, Giuseppe, 1721-1781, Bertolini, Giovanni Baptista · Veronae : Ex officina Moroniana · leaf 125
i confi-ciendse, bafique re&a: IBLK inveniendae necefTaria funt, ut in Pro*pofitionibus undecima libri L, 8c prima hujufce* Ac re&a qui-dem FI five parallela erit ipfi VX, five cum eadem concurret.Sit primo parallela ipfi VX. Ducatur autem a puncto H ipfiVX parallela re&a HM. Erit… … per 50. 15.16. dat.per cor. 40.da c. per27.dat. per 3. dat,per cor. 40, dat.per 28. dat, ?£r27-dat. pendicularis, quoufque plano YX occurrat xn punclo A; duca-turque 0X ad re&os angulos ipfi VX, jungaturque XA. Eritutique angulus 0XA planorum YX, V0 inclinatio, ideoque da-tus. At vero datus eft…
Perspective · Geometry
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