Iosephi Torelli veronensis Elementorum prospectivae libri II : opus posthumum (1788)
Torelli, Giuseppe, 1721-1781, Bertolini, Giovanni Baptista · Veronae : Ex officina Moroniana · leaf 38
gnitudi- ne. Ducatur item a pun&o K, comrauni planorum LR, QK fc&ioni QR perpendicularis, re£ta KR ; & in plano LR a da- ***^At to Pn&° R) ipfi QF- ad reclos angulos, rectseque IK aequaljar, p^: i9.dat. RH. Atque erit RH data poiirione , & magnitudine;. ldeoque Beri7-dat. datum… … percor.4o«dat. rallelas 8c xquiles funt etiam RK, HI« Data eft autem rmgni* tudine RK« Data eft igitur magnitudine & HI. Ducatur a pun- cto H ipfi QR. parallela re&a HL, Et quoniam duse 1H, HL parallela; funt duabus KR, RQ_, erit angulus IHL aequalis angu- Jo KRQ^, ideoque datus. Ducatur a…
Perspective · Geometry
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