Gvidivbaldi è marchionibvs Montis Perspectivae libri sex (1600)
Monte, Guido Ubaldo, marchese del, 1545-1607 · Pisavri : Apud Hieronymum Concordiam · leaf 110
EH ad GL. ob candemquecau-fam crit HA ad AL, vt HKad LI; vnde EH ad GL eft , vtHK ad LL & permutando EHad HK, vt GL ad LL pariq;ratione oftendetur HK ad KDitaciro,vt LI ad IF. In cademigitur proportione diuifa eft GF in I-I, vclutl cft ED in HK • quoddemonftrare oportebat. PROBLEMA PROPOSITIO.… … Datafitfigura FGH inprima figura; fitque BCleftionis linea. Defcriba»tur quadratum, fiue paral-lclograma figura BCDE,qua; intus contincat da*tam figuram FGH. De-inde pcr F ducantur li-nesEvtcunque IFK BFL,ita vt ad BC ED pertm<5gerepoflint. fimiliterqucpcr H ducantur DHM
Perspective · Geometry, Projective
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