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 139
the recipient of the greatestamount of the radiated stimuli, and consequently that would be thelast to disappear. With a slit aperture the slit is visible till extinctionis very nearly executed, but it finally merges into a fuzzy spot at themoment before it finally fails to make any impression of… … -a -J -4 -5 -6 Diameter of apertures xrv powers of z. -7 Fig. 40. Extinction of colour and light curves with different areas of stimulation. SSN44 = 548-l/iM; SSN 50-0 =i) line: I and II, different observers and different in-tensities. (Abney.) Abney has also compared the luminosity of the spectral…
Color vision
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