Gvidivbaldi è marchionibvs Montis Perspectivae libri sex (1600)
Monte, Guido Ubaldo, marchese del, 1545-1607 · Pisavri : Apud Hieronymum Concordiam · leaf 202
L.ie6tionem lubieCli plani , ac plani inclinati , horumcj; planoruminclinationis angulum inueniro . Tt 6. hfi-us. ficura fit i.sfubicdo Data ABCD planoinclinata. abangulisquc in fu-bicaum planumpcrpcndicnlarcs cadantinFGHKjquorumalritudincsda=txfint BFCGDHAK. oportet c6-munem lcdioncmfubicfti… … Bb Ex 7.vnde\cimi . nex \()6 P fi R S P E CTI V AE .5 -y r.rxDC CG GHJHD^iiivno, &COidcnr^i.ano. fi igi-j<ur DC non cft■fquiJiftds ipfi HGl(^quod crit, fi HD!GC noa fucrintjasqmles) fi produ«cantur DC HG ,fimul vtiquc con-uenient. produca-tur itaque concur-:jranLq; in E. Qiio»niamigitar…
Perspective · Geometry, Projective
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