Colour vision : being the Tyndall lectures delivered in 1894 at the Royal Institute (1895)
Abney William de Wiveleslie Sir, 1843-1920, Royal College of Physicians of Edinburgh · London : Sampson Low, Marston · leaf 74
Colour Vision. 5^ we call red, rays promote great dissimilative changes of the red-green substance with comparatively slight effect on the yellow-blue substance ; hence our sensation of red. “In that part of the spectrum which we call yellow, the rays etfect great dissimilative changes of the… … blue substance ; but their action on the red-green substance does not lead to an excess of either dis- similation or assimilation, this sulistance being neutral to them ; hence our sensation of yellow. The green rays, again, promote assimilation of the red-green substance, leaving the assimilation…
Color Perception
Internet Archive · Royal College of Physicians in Edinburgh · Public domain (published before 1931). Free to use for anything.
