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 431
182. Billows. - 412 CIIROMO-PHILOSOPHY. … Fie. iSi 51,000 to produce blue, or 60,000 to produce dark violet. Inmusic, the pitch of high or low tones depends upon short orlong waves, and these depend upon a small or large tube in suchinstruments as flutes, whistles, etc., or upon small or large chordsor other vibratory arrangements by which…
Phototherapy · Color
Internet Archive · Getty Research Institute · Public Domain Mark 1.0. Free to use for anything.
