Colour vision, a discussion of the leading phenomena and their physical laws (1922)
Peddie, William · London, Arnold · leaf 81
le to the action of fluor-escence would alone introduce doubt: and the known fafttthat it is possible, through the action of contrast, to havevision corresponding to points more remote from white thanthe normal spectrum cmve at least compels widening of thehexagon. There is evidently unavoidable… … PO 45 50 55 60 65 70 Fig. 8.—Spectrmn Stimioli in Helmholtzs Absokite Triangle.The curves x,y z represent respectively the red, green and blue stimuli. laws of vision. This process was adopted by Helmholtzwhenever observational results made the necessity for itobvious, and at the same time made its…
Color
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