Luckiesh, Matthew, 1883-1967 · New York, D. Van Nostrand company · leaf 135
ANALYSIS OF COLOR 111 Instead of rotating the template before an actual spectrum Abney used the principle adopted by Max- well in his ‘color box’ (Fig. 52), thus rotating the disk before a long narrow slit illuminated by the total light from the illuminant. The integral color was viewed through the… … Fig. 59. — Adaptation of Abney’s scheme for the spectroscopic synthesis of color. Recently Ives and Brady 14 applied Abney’s prin- ciple to the alteration of the light from a 4 w.p.m.h.c. carbon lamp to that of ‘average daylight’ and also to that from the blue sky. A Hilger constant-devia- tion…
Color
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