Collins, A. Frederick (Archie Frederick), 1869- · New York, London, D. Appleton and company · leaf 149
Fig. 139.—Forming an Image with a Lens. The eye is almost as round as a ball and it can be turneda little in its bony socket in any direction. The outer part ofan eye which takes the place of the box of a camera, is stretchedround the whole eye like the cover of a baseball, as shown in … CORNEA *. OPTIC NERVE Fig. 140.—The Human Eye. Tig. 140. The front part of this cover forms the white of theeye, and fitting into the cover and over the lens, like a watchcrystal in its rim, is the cornea, which is a tough, but trans-parent film and protects the iris and the lens. SEEING THE STARS…
Astronomy · Stars
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