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 38
t only gradation of size as a whole, but of each branch and part of a branch,and has also many gradations of direction. Fig.53 consists of gradations of gradations, which arejoSP^^fe^^ formed by superposing compound sounds on sim-^^^^^^^ pie sounds and causing their vibrations to be re-corded in… … Fg- 55- came from the Revised by Savart. Fig. 54 has gradations of size and direction,and was written in lamp-black by a combination of tuning forks.Fig. 55 is an example of progressive rings of colored light,which were -produced by electricity, as seenand drawn by an artist and quoted by Dr.Jerome…
Phototherapy · Color
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