ftracum cft, dc aliis quoque quibuslibctfuperficicbusinclinatisfimi-litcr demonftrari poteft. ErgQ radii,uc di6tum in propofitione divergunt, quodcrat demonftrandum. Quod Ci tamen aliqua planicies veluc f g fic para^llelamajori plano A B , radii axi C D paralleli (uc hic func E f, & Fg)… … ..- Quia difficillimum eft elaborarchujusmodifpccilla polyedra concavo- plana ; (blcnt corumloco adhiberi convexo- concava,uc figura mon-ftrat,quiBfccundumcxteriorem fuperficiem funtpolyedra convexa , fecundum intcriorcm vct6concava minoris fphasrx. CoroUarium ll^
Optics, Geometrical · Optical instruments
Internet Archive · Getty Research Institute · Public Domain Mark 1.0. Free to use for anything.
