Color problems : a practical manual for the lay student of color (1902)
Vanderpoel, Emily Noyes, 1842-1939, Stevens, Sara R. sgn, Holahan, Elizabeth Gibson, 1903-2002. fmo · New York: Longmans, Green, and Co. · leaf 204
SPECTRAL RED AND ITS COMPLEMENT, BLUE-GREEN, IN THEIR RELATIVE PROPORTIONS The gray in The centre of this Plate is the gray produced by the abovetwo complements when mixed on a color wheel, and corresponds exactlyto the gnay produced by the given amounts of black and white. (N. B. The above… … SPECTRAL ORANGE AND ITS COMPLEMENT, GREEN-BLUE, IN THEIR RELATIVE PROPORTIONS The gray in the centre of this Plate is the gray produced by theabove two complements when mixed on a color wheel, and correspondsexactly to the gray produced by the given amounts of black and white. (N- B. The above…
Color
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