Brechner, Claude H., 1887- [from old catalog] · Boston, New York [etc.] Allyn and Bacon · leaf 122
ing from the bottom and reflected at thesurface of the water. This makes the sky look as if it hada fringe of stones orgrass, according towhether the bottomis stony or grassy. 135. The Diamond.— As mentioned be-fore, the large indexof refraction in a dia-mond gives it its sparkle. As the diamond… … Figure 92. — A Fishs View of theOutside World. LENSES 136. Lenses. — A lens is a transparent body of such ashape that it will focus rays of light. There are two general classes of lenses : (a) con-verging, (b) diverging. A converging lens is alens ivhich tends to bringthe rays together after…
Physics
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
