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 425
of 530 (530 11) 406 CHROMO-PHILOSOPHY. from water, or 56I0 from glass, or 570 from rock crystal, or 68°from diamond, are polarized. 5. Double Refraction. Light passing through certain sub-stances forms a double image, or is refracted in two quite differ-ent directions, and in different planes.… … Fie;. 177. Crystal of Iceland Spar. are sometimes said to be oppositely polarized, but they are doubt-less swept off into the diverging lines of atoms, a part of therays going into one line which they are able to bend accordingto the usual laws of refraction, while the other atomic linesare rigid…
Phototherapy · Color
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