Henderson, C. Hanford (Charles Hanford), 1861-1941, Woodhull, John F. (John Francis), 1857-1941 · New York, D. Appleton and company · leaf 347
Fig. 220. Fig. 221. A body of clear water, which when calm may revealobjects at great depths, will not do so when the surface is 324 PHYSICS … Fig. 222.—Refraction by a prism. disturbed by a breeze. This is due to refraction, as will beseen from Figs. 220 and 221. In Fig. 220 each point inthe object abed under water sends its light in regularorder to the eye, e, held above the water, but in Fig. 221these rays are so bent as to give a…
Physics
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
