Researches in colour vision [electronic resource] : and the trichromatic theory (1913)
Abney, William de Wiveleslie, Sir, 1843-1920, Parsons, John Herbert, Sir, 1868-1957, donor, Institute of Ophthalmology, University College, London. Library Services · London : Longmans, Green and Co. · leaf 234
214 RESEARCHES IN COLOUR VISION Helmholtzs Sensation Curves. Helmholtz suggested that every ray in the spectrum affected each of the three sensations of red, green, and blue. His idea is shown in the figure. The top curve is supposed to be the red sensation ; its height at various parts of the… … V Bl. Gr. Y O B. Fig. 75. — Helmholtz's Colour Sensation. 1. Eed sensation. 2. Green sensation. 3. Blue sensation. to represent the green and blue stimulation by the different spectrum rays. It will be seen shortly that Helmholtz's idea was right in the main, though perhaps not quite exact in…
Ophthalmology · Eye · Color vision · Color Perception
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