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 212
nd the circle. Now, if the sen-sation due to the first image lasts while the circle is being-traversed, then it will be renewed before it has a chance tofade out, and consequently will be present continuously ;the same will be true of all other points on the circle, whichconsequently will produce… … Fig. 86.—Appearance of a Coal of Fire in Three Positions. the observations of DArcy, it is essential that it shouldtraverse its circular path completely in thirteen hundredthsof a second. It is very easy to experiment on matters like these withthe aid of revolving disks. If we take a circular…
Color · Painting · Color in art
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