The theory of color in its relation to art and art-industry (1876)
Bezold, Wilhelm von, Pickering, Edward C. (Edward Charles), 1846-1919 · Boston : L.Prang · leaf 191
THE THEOKY OF COLOR. 145 pieces of moderate size from a sheet of such paper, and then lay one of them upon a lighter, the other upon a darker sheet, it will appear almost incredible that both pieces were cut from one and the same sheet, and the fact that they are really of one color can only be… … placed upon a larger disk, the sectors of which differ in shad- ing. The fact that all the small disks are in reality perfectly alike can easily be ascertained by covering the figure with a piece of untransparent paper into which two small holes have been cut, so that two of the disks can be seen…
Color · Decoration and ornament · Painting
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