ue inconvexas quaslibet Lentes mcidcntes una cum concurfu radio-»rum ad axem poft ipfas ceu foco principali propofuimus & de-i monllravimus, Jampluresradios, five totius objedi radiatio-nem per conos feu pyramides radiofas in Lentes convexas dedudas unacum colledione radiorum refradtorum feu…
Optics, Geometrical · Optical instruments
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