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An introduction to the study of colour vision (1915)

Parsons, John Herbert, Sir, 1868-1957 · Cambridge [Eng.] University Press; New York, G. P. Putnam's Sons · leaf 207

An illustration from An introduction to the study of colour vision, 1915, leaf 207
with the normal achromatic scotopic luminosity curve. Thisfact was first discovered by Hering and Hillebrand^ and has receivedconclusive confirmation, notably in the researches of Konig and ^ Sitz. d. Wiener Akad. xcvin 70, 1889. 190 COLOUR VISION Dieterici^ and Konig and Ritter-, Hering^, v.… … Fig. 55. — Achromatic scotopic luminosity curve of a deuteranope. Luminosity curve of a monochromat. Abscissae, wave-lengths of the prismatic spectrum of the Nernst light; ordinates, arbitrary scale. (Nagel andMay.) Whereas, however, increasing the intensity of the light shifts themaximum for the…

Color vision

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