Gvidivbaldi è marchionibvs Montis Perspectivae libri sex (1600)
Monte, Guido Ubaldo, marchese del, 1545-1607 · Pisavri : Apud Hieronymum Concordiam · leaf 185
e OP OVfc inuicem fccant, vt in O. cadcmquc prorfus rationc oftendctur pun«ftum G cadcrein V, & H in X, & K in P; commque altitudinescflcJEqualcsipfi MN, hoc cft omncspundorum FGHK altitudincs fu^pra fubiedum planum eifc intcrfe aiqualcs. Hinc colligerc licet, fi planorum BK BG CH DK cum BD… … mi j^. primi- BE, crunthoc modo inucnta punda OVXP, vbi fcUicct cadunr per-pendvculares a punftis FGHK in liibicdum planum . nam fi angnUisRQT cftxqualis MLN, quoniamanguh QT.R. LNM funt rcfti, & s*quales,lincaque l\r eft ipfi MN :cqialis(vtoftenfumcft) crittriangu-um tnangulo , lincaquc QT…
Perspective · Geometry, Projective
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