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 94
180 Fig. 29. The fields of vision for spectral colours witli low illumination (D light =0-21 foot-candle at the screen). (Abney.) THE FIELD OF VISION FOR COLOURS 77 Fig. 30 shows the fields with complementary colours red .. .. 650-0 /x/x green.. .. 500-2 ,, yellow-green.. 56L4 ,, blue .. .. 460-3 ., … 90— 105 Fig. 30. The fields of vision for complementary spectral colours. The relative luminositiesof the red and green were 225 and 270 ; those of the yellow-green and blue 96-5 and21-5. (Abney.) 78 COLOUR VISION If a red and a green light are mixed to match the D light (589*2 jm/x)in hue and…
Color vision
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