An introduction to the study of colour vision (1915)
Parsons, John Herbert, Sir, 1868-1957 · Cambridge [Eng.] : University Press; New York, G.P. Putnam's Sons · leaf 47
32 COLOUR VISION III, 581 /x/z ; IV, 635*5 /Z/A : and of the corresponding minima — between I and II, 458 /if* ; II and III, 533^ ; III and IV, 627 w. 8-0 … WO 50 500 SO 600 50 700 Fig. 5. Curve of discrimination sensibility for hues of the interference spectrum of the arc light. Abscissae, wave-lengths of the lights ; ordinates, differences of wave-length (5X) capable of being discriminated. (Steindler.) These results are of very considerable…
Color vision
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