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 133
92 THE THEORY OF COLOR. a crank which is set in motion by means of a pulley andbelt, that the prism, when the crank is turned, executes ex- Fig:. 35. … ceedingly rapid oscillations within moderate limits. If withthis prism we project a spectrum upon the screen A B, thespectrum, in consequence of the oscillations of the prism,must move up and down very rapidly upon the screen. Allthe points situated between the highest position of the red(r) and…
Color · Decoration and ornament · Painting
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