Students' text-book of color, or, Modern chromatics : with applications to art and industry (1881)
Rood, Ogden N. (Ogden Nicholas), 1831-1902 · New York : D. Appleton · leaf 153
method ofstudying this subject with the aid of stained glass ; and, asit would be difficult to devise a simpler or more strikingmode of making such experiments, we will give his processin full. 144 MODERN CHROMATICS. In a blackened piece of cardboard two apertures arecut, about a third of an inch… … Fig. 59.—Mode of using Doves Apparatus. R G is cardboard with red and green glass;at P is the prism of calc spar. achromatic prism of calc spar, which doubles each of thelittle patches of coloured light, so that the observer onlooking through the prism actually sees two red images of
Color · Painting · Color in art
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