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 415
r, so that the pathway of the light is afterward exactly parallel to the general direction which it pursued from s to i, in case the outlines of the refracting medium are parallel. 3. But the refraction of the individual colors is seen in fig. 173, in which i is an aperture to let in a solar beam,… … are the invisible trans-violet and trans-red rays that are many times more than the visible. How is it that all the colors are thus shaken apart, the red being refracted the least, and the vio- let the most of the visible rays } This is very easily understood if we remember that the color spirals…
Light · Color · Color -- Therapeutic use · Phototherapy
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