The young folk's cyclopædia of games and sports ; (1899)
Champlin, John Denison, 1834-1915, Bostwick, Arthur Elmore, 1860-1942, joint author · New York, H. Holt and company · leaf 557
s used to separated white lightinto its different colors (see Lightin C. C. T.) are three-sided. Suchprisms are sometimes used also forornaments on chandeliers or lamps.Larger ones are somewhat expen-sive, but a good prism can be madeby fastening three squares of glasson a glass bottom, and filling… … Experiment 2. paper. It will appear colored, innarrow stripes of red, yellow, andblue. 2. Hold a prism P (see illustra-tion), in a beam of sunlight admittedthrough a hole S, into the room.If possible, shut out all light fromthe room except the one beam. Thismay be done by closing the shuttersat all…
Games · Sports · Card games
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