The principles of light and color: including among other things the harmonic laws of the universe, the etherio-atomic philosophy of force, chromo chemistry, chromo therapeutics, and the general philosophy of the fine forces, together with numerous discoveries and practical applications .. (1878)
Babbitt, Edwin D. (Edwin Dwight), 1828-1905 · New York, Babbitt & Co. · leaf 62
, where contrast exists with-out gradation as compared with figures 38, 41, 70, etc., in whichcontrast and gradation are both combined. In a sunset sky wemay see gorgeous contrasts of light and shade and color on theclouds, also exquisite gradations of the same progressing towardshadow from west to… … Fig. 96. The Aurora Borealis. variety of harmonic principles (fig. 96), such as a general arch-way, or gradation of direction, gradation of light and shade, gra-dation of velocities in the shooting lights, contrasts of light andshade, contrasts of direction, of color and of size, while a gen-eral…
Phototherapy · Color
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