Ferree, Clarence Errol, Rand, Gertrude, b.1886 · New York, etc. · leaf 43
d, 27.845; yei!oT», Vic S —The limits of sensitivity to red, yellow, green and blue of the Hering series of pigment papers, Fig. 5.-1 he limits o|„f^°|^f^^'Jij\°^f„^tion, horizontal component. 130 foot candles.
Ophthalmology · Vision · Color vision
Internet Archive · University of California Libraries · Public domain (published before 1931). Free to use for anything.
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