The theory of color in its relation to art and art-industry (1876)
Bezold, Wilhelm von, 1837-1907, Pickering, Edward C. (Edward Charles), 1846-1919 · Boston : L. Prang and Co. · leaf 186
ifferent shades. If we cut two ^gnmnm gfftBBffffl THE THEORY OF COLOR. 145 pieces of moderate size from a sheet of such paper, and thenlay one of them upon a lighter, the other upon a darker sheet,it will appear almost incredible that both pieces were cut fromone and the same sheet, and the fact… … placed upon a larger disk, the sectors of which differ in shad-ing. The fact that all the small disks are in reality perfectlyalike can easily be ascertained by covering the figure with apiece of untransparent paper into which two small holes havebeen cut, so that two of the disks can be seen…
Color · Decoration and ornament · Painting
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