Iosephi Torelli veronensis Elementorum prospectivae libri II : opus posthumum (1788)
Torelli, Giuseppe, 1721-1781, Bertolini, Giovanni Baptista · Veronae : Ex officina Moroniana · leaf 77
contingit in pun&o E, five Mud perpendiculare fit, ut LR, fi-ve inclinatum, ut VS, fire parallelum, ut YX, diftans a QKintervallo Z; datumque fit citra hujufmodi planum pun&umI. Oportet conficere fphsrsc, quam diximus, fcenographiam tumconcurrentera, tura concurrentem procumbenternque, tum… … SIc ADBAO fphsrse fegmentum;, cujus bafis eft clrculus ADBA»*4 quem xectse oranes pertingunt fphaeram a puncto I contin^&^- L I I B & I. 69 ies , cujufmodi funt AI, BI; vertex pun&um O. Infcribatur au-tem fegmento ADBAO figura ADBAPNTPO , invenianturque per fup.ejus veftigium, atque…
Perspective · Geometry
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