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 520
496 CHROMO-MENTALISM. eries of physiologists, though not the only ones that operate thus. … d h (y Fig. 193. A magnetized Steel Disc sprinkled with Iron Filings. 2. This system of the brain in which five leading centers were discovered both in its physical structure, and in its luminous radiations, was shown to be in harmony with the forces of inorganic nature by Dr. Sherwood, as follows…
Light · Color · Color -- Therapeutic use · Phototherapy
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.