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 7
SPECTRA OF THE SUN, SIRIUS, AND SEVERAL ELEMENTS. ■ BABBITTS PRINCIPLES OF LIGHT AND COLOB.—Plate II.
Phototherapy · Color
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