Elements of natural philosophy (Volume 2-3) (1850)
Bartlett, W. H. C. (William Holms Chambers), 1804-1893 · New York : Barnes · leaf 180
Uay of light. … —li Beam of light. Pencil of light. REFLEXION AND REFRACTION OF LIGHT.§ 9. The reciprocal action between the molecules of reflexion and t iii r»jiii i«i t refraction of various substances and those ot the ether which pervades ]i<yllt. them, causes the latter fluid to exist in a state of…
Mechanics · Acoustics · Optics
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