Lynde, Carleton John, b. 1872 · New York : Macmillan · leaf 278
FiG. 192. — The camera. LENSES AND OPTICAL INSTRUMENTS 263 tern, slide. The projecting lens is a system of convex lenses.It throws an image of the lantern slide on the screen. … Fig. 193. — The projecting lantern. The eye. — A horizontal section of the human eye is shownin Fig. 194. The covering of the front of the eye is a trans-parent membrane c, called the cornea. Behind this is a clearliquid a, called the aqueous humor. The colored part of theeye is the iris, i. It is…
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