Gregg, J. B. [from old catalog] · Ada, Ohio, The University herald press · leaf 83
by holding aprism in front of the eyes. 2. By Absorption. Mixsome different coloredpigments. To a solution of po-tassium ferrocyanide adda little ferric chloride. To a solution of potas-sium sulphocyanide add alittle ferric chloride. 3. By Interference.Cover a plate of glass with collodion, and… … Oscillating Prism. 74 LIGHT, EXPERIMENT 34 CLASSIFICATION OF COLORS. Method,— 1. Primary Colors. Use the rotator and the one colored disks of red, green, and violet. Obtain the differentcolors by changing the size oi the uncovered sectors of the respective disks. 2. Complementary Colors. (1.) Use…
Physics
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