Sargent, Walter, b. 1868 · New York, C. Scribner's Sons · leaf 124
106 THE ENJOYMENT AND USE OF COLOR shown by the dotted lines. The space where the after- image crosses the paper, and forms a square about the centre, will appear much grayer or duller than the rest of the strip, because it is focussed upon a portion of the retina … Fig. ii. Two successive positions of a strip of colored paper, to show after-image. which is already fatigued by looking at the original color. The rest of the strip is focussed upon portions not previously fatigued by that color and consequently appears stronger in color for a time than the…
Color
Internet Archive · Brigham Young University-Idaho, David O. McKay Library · Public domain (published before 1931). Free to use for anything.
