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Reflective Power Of ColorThe following table will give an idea of the percentage of light reflected from ordinary wall-hangings and papers:
151. It is very difficult to select practical artificial illuminants, because of the various color properties possessed by each. A Welsbach mantle, which gives a greenish tint, is pretty sure to alter the character of any color other than green. Incandescent electric light, as well as ordinary gaslight, contains a yellow tint.
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