An introduction to the study of colour vision (1915)
Parsons, John Herbert, Sir, 1868-1957 · Cambridge University Press · leaf 265
RESEARCHES BASED UPON THE THEORY 239 of the total areas of these curves1. Equation (4) shows that the wave- length of the light corresponding to the point of intersection is independent of the amount or kind of the deficiency in colour sensation of the observer. " The curves given in Fig. 68 depend… … 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 7o|oo' ' ' ' 65I00' ' ' 5I0O Fig. 68. Luminosity curves of persons having normal and reduced red and green sensa- tions. Abscissae, wave-lengths of the prismatic spectrum of the arc light ; ordinates, arbitrary scale. (Watson.) ordinates of…
Color vision
Internet Archive · Gerstein - University of Toronto · Public domain (published before 1931). Free to use for anything.
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