Sargent, Walter, b. 1868 · New York, C. Scribner's sons · leaf 84
68 THE ENJOYMENT AND USE OF COLOR hind black, the red rays apparently affect the eye first. If we make a disk with black upon white, as in Fig. 6,* which is one form of the Benham disk, and then rotate it at a … Fig. 6. Benham disk. From Color and lis Applications, M. Luckiesh, p. 39. certain speed, in one direction, the outer rings appear red and the inner ones blue, while those in between give inter- mediate hues. Now if we rotate the disk in the opposite direction the inner rings will appear red and the…
Color
Internet Archive · Sterling and Francine Clark Art Institute Library · Public domain (published before 1931). Free to use for anything.