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Gilbert light experiments for boys (1920)

Lynde, Carleton John, b. 1872, Gilbert, Alfred C. (Alfred Carlton), 1884-1961 · New Haven, Conn. : A.C. Gilbert Co. · leaf 93

An illustration from Gilbert light experiments for boys, 1920, leaf 93
m recombined to produce white light White Light made up of all Colors. The experiment aboveshows that white light is made up of lights of all primary colors. This is proved againby passing the spec-trum through a prismturned in the oppositedirection (Fig. 140);the colors are recom-bined to produce… … !Fig. 141. White light is made up of manyprimary colorsCourtesy of the Scientific American GILBERT LIGHT EXPERIMENTS 91

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