Bradley, Milton, 1836-1911 · Springfield, Mass., New York [etc.] Milton Bradley Co · leaf 79
ntary to each other between the blue and green, that of green is will be an impure white which is a neutral a violet-red and that of violet is a color be¬ gray, such as is made by the combination of tween yellow and green. As for yellow and a white and a black disk. blue they are very nearly… … Now it has been found that red, green and Fig. 13. blue in certain proportions on the color wheel will look intently at about the center of this or top will produce gray the same as can be made by a combination of a white and a black card a short time each color will appear to change from edge to…
Color -- Study and teaching
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