. Physical researches on sensation [by] Frank Allen [and others]. • .szof^ K. ■bo -66 ^ -¥^0^ Fig. 8. Partial reflex curves for colors indicated. counteracting the reflex effects of color. This was quite in accordancewith what was previously found^^ in the investigation of the effectof weak light upon the perception of color. By means of mirrors the intensity of the daylight reflected fromthe white paper was considerably increased, and the green-yellow reflexagain measured and found to be doubled in depth. These effects were studied only for the central part of the spectrumwith the two fatigui


. Physical researches on sensation [by] Frank Allen [and others]. • .szof^ K. ■bo -66 ^ -¥^0^ Fig. 8. Partial reflex curves for colors indicated. counteracting the reflex effects of color. This was quite in accordancewith what was previously found^^ in the investigation of the effectof weak light upon the perception of color. By means of mirrors the intensity of the daylight reflected fromthe white paper was considerably increased, and the green-yellow reflexagain measured and found to be doubled in depth. These effects were studied only for the central part of the spectrumwith the two fatiguing colors .687^ and .450/i. The results are given in Ibid:!p. 608. Nov., ] Keflex Nature ok Color Contrast 92S Tables 4 and 5, and the curves are shown in Figs. 11 and 12, respec-tively, on a somewhat larj^er vertical scale than that in the «Jther both fij^ures, A, is the normal curve; Fi. the reflex curve obtained • 04»5 •Otht •035- CiO •02S- ■ 07 C Ptfle I Curvt t\/c I in tt I d a O-OIS


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