Colour vision; being the Tyndall lectures delivered in 1894 at the Royal Institute (1895)
Abney, William de Wiveleslie, Sir, 1843-1920 · New York, W. Wood & Co. · leaf 102
Colotir Vision. 82 normal curve. That these differences do exist is fully sliown in Fig. 19. One of the most striking experi- FiG. 19. … ments in colour vision is to place a Ijright red patch on the screen, and to ask a red-blind to make a match in
Color vision
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