The Boston school compendium of natural and experimental philosophy .. (1837)
Parker, Richard Green, 1798-1869 · Boston : Marsh, Capen & Lyon · leaf 152
of admitting, when expanded to its utmostextent, than when most contracted i What is said of those animals which aresaid to see in the dark? What light, only, is of use in vision ! What becomesof the light which falls on the iris? What is the aqueous humor » What is itsform? Of what use is it! What… … OPTICS. 141 Fi?- 103- In Figure 108 the shape of the aqueous and vitreous hu-mors, and the crystalline lens ispresented, a is the aqueous hu-mor, which is a meniscus, b thecrystalline lens, which is a double0 Zfrf / k ) n convex lens, and c the vitreous humor, which isj also, a menis-cus, whose…
Physics
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