Color-vision and color blindness, a practical manual for railroad surgeons (1920)
Jennings, John Ellis · Philadelphia F.A. Davis · leaf 47
ements reacting to red receive the greatest excitation. Orange light strongly excites the elements sensitive to red andto a less degree the green; resulting sensation, orange.Pure yellow light strongly excites the elements sensitiveto red and green, while having little action on theelements… … elements sensitive to red and violet; hence the sensation.of green. Pure blue light strongly excites the elementssensitive to green and violet, and but slightly the ele-ments sensitive to red; resulting sensation, blue. Violetlight strongly excites the elements sensitive to violet,but has little…
Color-blindness · Eye
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