Well's natural philosophy : for the use of schools, academies and privte students, introducing the latest results of scientific discovery and research ; arranged with special reference to the practical application of physical science to the arts and the experiences of everyday life ; with three hundred and seventy-five engravings (1873)
Wells, David A · New York : Ivison, Blakeman, Taylor and Co. · leaf 331
ht The separation of white light into its sev- auaiyzed? ^^^^ parts is cffccted by means of a prism.When a ray of white light is made to pass through aprism, each of the seven rays of which it is composedare refracted, or bent out of their course differently, andform on an opposite screen or wall… … The separation of a ray of solar light into different colored rays, by refrac-tion, is represented in Fig. 268. A ray of light, S A, is admitted throughan aperture in a shutter into a darl^ened chamber, and caused to fall on aprism, P. The ray thus entering would, if allowed to pass unobstructedly,…
Physics · Science · Technology
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