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 57
Figs. 3 and 4 give an idea of these methods of observa-tion, a prism placed vertically being employed in the onecase, while in the other the position of the prism is hori-zontal. Fig. 3 shows at the same time where the coloredimage must be looked for, as the eye must not be directedtowards the… … mmm. Fig. 4. r,.^ The rays proceeding from the white strip (or the slit) sfall upon the prism, and are there differently deflected accord-ing to their color.The red rays, afterthey have been re-fracted, travel in adirection as if theyhad proceeded fromthe point r, the vio-let rays as if theyhad…
Color · Decoration and ornament · Painting
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