Gvidivbaldi è marchionibvs Montis Perspectivae libri sex (1600)
Monte, Guido Ubaldo, marchese del, 1545-1607 · Pisavri : Apud Hieronymum Concordiam · leaf 101
s linca BF. data vero fit figura in fubiedo plano BCD. oportct incrsaa feaioncfigaramapparentem defcnbcrej opocteatque duObustan-tumpundis AS vti. Ducatur SKG ipfi BF perpendicularis,quieipfamBF in K difpefcat; & 4 puncto C ipfi SG perpcndicularis ducatur CG,quxnimirum ipfi BF crit^quidiftans.… … ipfam OK fccctin O. fe- cabit cniin , quoniam cum iit fcdio liibicdo plano cre fta, & in ipfa cft OK ipfi BF f qux ipfiusfedionis, ^ lubiecti plani cft com- munislcclioj perpcndicu- laris, crit OK fubicdo planoercda. ac proptcrea ipfi AS equidiftans, quan- doquidcni AS femper cft liibicdo plano…
Perspective · Geometry, Projective
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