am ejus fiperfctem N P circa foramen t>ETxZ. Lus potltas laldme patet, & umbram circa foraminu utram^ue partemV&B radus tranfeuntibus DF,EH, exhibet: cctum efl per expertenttam radtoscbZueper foramen tlludex vitro w aerem ,um tranfeuntes retraSum *»*<£ Vfhiem aliam H G T proventenles… … 5ed Syntagma II Caput VII. 107 i, ^ed ut nujusmodi colorum genefim rite ad mcntem Au&oris percipias,adverte,duos efle motus in globulorum proceffu, unus eft ip(c mocus rcctus (eiiproceflus per lineam rec1:am,qui tamen in praeferiti cafu ob diaphanum trigb-rium refringitur: altcr motus ipforum…
Optics, Geometrical · Optical instruments
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