Gage, Alfred P. (Alfred Payson), 1836-1903 · Boston, London, Ginn · leaf 389
paste short strips of red, white, and blue, end to end, on the black card, as represented inFig. 280. The spectrum of each color is given onthe right, the light portions representing the illu-minated parts. It will be seenthat in the spectrum of the red,the green, blue, and yioletportions are…
Physics
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