Gvidivbaldi è marchionibvs Montis Perspectivae libri sex (1600)
Monte, Guido Ubaldo, marchese del, 1545-1607 · Pisavri : Apud Hieronymum Concordiam · leaf 137
rigefimaprxccdcntis libndefcribctur. T M ^ ji C D Ex prxcesdentibus. Inl. 3. j. hum, PROPOSITIO. XVL I Si pyramis fecetur plano bafi sequidiftante ,fecaione bafi fimilis enc, & fimiliter pofita^ . figura in-. Sit pyramidis vcrtex A, bafisquc BCDEj feceturquepyramis planobafi xquidiftahte ;… … iiisdmidunturparallclis,crit BF ad FA, vt CG ad GA; ciuare FG eft ipfi BG parallela . eodemqiie modo oftendctur &H ipfi CD, HK ipfi DE, & KF ip- fi EB parallelam cxiftcre. Quoniamigi- mr FG GH funtipfis BC CD parallc- 1k, erit angulus FGH angulo BCD x» qualis. ob candemque caufam angulus…
Perspective · Geometry, Projective
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