Luckiesh, Matthew, b. 1883 · New York, D. Van Nostrand company · leaf 119
104 COLOR AND ITS APPLICATIONS the perception of all colors (#47). It is noted that each of the three supposed primary color sensations 039 042 045 C45 Q5I 0,54 057 060 O.Oi 0.6& DM 0.72 Fig. 54. — Kbenig's sensation curves. is not excited by a limited portion of the spectrum. In fact, spectral… … Fig. 55. — Tri-color colorimeter measurements. excite the sensations in relatively different degrees, depending upon the wave-length. After a prelimi- nary investigation Ives concludes that these curves are a much nearer approach to the truth than those obtained by Abney. In reducing the colorimeter
Color
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