Gvidivbaldi è marchionibvs Montis Perspectivae libri sex (1600)
Monte, Guido Ubaldo, marchese del, 1545-1607 · Pisavri : Apud Hieronymum Concordiam · leaf 195
is, & fimiliter pofita; crunt vti-quc punfta LMNO, vbi ab angulis* altcrius bafis in lUbicfluni planum {)erpendicularescadunt,quotamquidcinaltitudincsfuntipfi MX aqua-cs. quod faccte oportuit. PROBLEMA PROPOSITIO, IX. Dato priimata? , cuius parallclogramma finc rc<2:angtt-la, bafis vcro fit… … Sit BCDEFGHK priftna , cuius bafis BCDE frt fiibicao pUno m«clinata, qux quidemdataintcUigatur, fitquc primum pundum B infu^bieaoplanoifirquc BT plani BD, ac lubicari plani fcaio commumsparallclogrammaq; BG BK &c. fint reftangula. oporcet, vbi a punais CDEFGHK in fiabiedum planum…
Perspective · Geometry, Projective
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