Martin, L. C. (Louis Claude), Gamble, William · London, Blackie · leaf 163
COLOUR VISION 137 luminosity of the whole spectrum is affected evenly, as, of course, the lumhwsity is made up almost entirely of red and green sensations. Where the sensations are unequal in the fatiguing light, however, the curves are no longer parallel. (See figs. 62 and 63, which show critical… … Fig. 63. — Fatigue with Orange Light Fig. 62. — Allen's Fatigue Curves pares, with the results of his own work, the positions of the transition points and regions of pure colour sensation as given by other experiments. Allen's suggested primaries are red, green, and violet. The red sensation is…
Color photography · Color printing · Color
Internet Archive · Gerstein - University of Toronto · Public domain (published before 1931). Free to use for anything.
