Lynde, Carleton John, b. 1872, Gilbert, Alfred C. (Alfred Carlton), 1884-1961 · New Haven, Conn. : A.C. Gilbert Co. · leaf 85
long the ruler. Is the line parallelto AB but shifted? Draw per-pendiculars at B and C anddraw a line from B to C. Thelight from A passes into theglass at B and is bent towardthe perpendicular at B; it pass-es from glass to air at C andis bent away from the perpen-dicular at C. Experiment No. 78.… … GILBERT LIGHT EXPERIMENTS 83 beautifully colored ?You will experimentwith colors soon. Experiment No. 79.Bending light arounda corner. Stand theprism on end on paperand draw a trianglearound the end (Fig.130). Now draw aline AB slanting to-
Light · Scientific recreations
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