Duff, A. Wilmer (Alexander Wilmer), b. 1864, ed, Guthe, Karl Eugen, 1866-1915, Hallock, William, 1857-1913, Lewis, E. Percival (Exum Percival), 1863-1925, Goodspeed, Arthur W. (Arthur Willis), b. 1860, Carman, Albert Pruden, b. 1861, McClung, Robert Kenning, 1874- · Philadelphia, P. Blakiston's Son & Co · leaf 353
,and translucent when in the solid state. The latter effect is apparentlydue to granulation or crystallization. 394. Refraction. When light passes obliquely from one trans-parent medium to another a part is usually reflected, while thatwhich enters the second medium changes its direction abruptlyat… … Fig. 205. to be in the direction from which the light comes, refraction, bychanging the course of the light, causes an apparent displacementof the source. An example is found in the classic experiment ofKleomedes, who showed that a coin placed in the bottom of ^ vessel so that it is barely…
Physics
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