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 56
trum is chosenand three colours are selected, e.g. a red, a green and a blue. Eachpart of the spectrum is then matched by mixing different quantitiesof the three together. This process is called gauging the spectrum [Aiclinng cles Spektrums, v. Kries). There are many technical difficultiesand the… … Red G,n Blue Fig. 8. Colour triangle. A, B, C, etc., Fraunhofer lines. (Konig.) In Konigs curve the sudden bend at the extreme end of the violetis probably due to fluorescence. As already mentioned colour mixtures often produce unsaturatedcolour sensations. Consequently the match has then to be…
Color vision
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