ito C oculus feipfum, autforarncn infpedorium vidcat, poteritminoraliquis dimidiatusorbiculusinauratus,vel aha figura ad medmm five ad centrum ejufdem rotundi fpecuU cer^ piceata coas;-mentari. Quibus omnibus bene aptatis , fi oculus fupra per foramen in A^ pli-catilemtunc cyhndruminfpiciat:… … Tirtii^ partis in PanfcopioJlruBura df^fahica. HujuspartisPanfcopicaeflruauraitaperficipoteft; Seceiitur vitra fpecularia informam,quamexhibetfiguraO, frufta omniapartfmquadrata, partim triangulariaconjungantur inter fe ita, ut fpecula introrfum vergant, & conflituant corpus polye-drum,qualein…
Optics, Geometrical · Optical instruments
Internet Archive · Getty Research Institute · Public Domain Mark 1.0. Free to use for anything.