Colour aesthetics : combinations of colours with tints and with shades / by F. Louis Barber (1900)
Barber, F. Louis · [S.l. : s.n.] · leaf 50
24 I 2 3 4 5 6 7 8 9 10 II 12 13 14 13 IS 17 18 19 20 21 22 23 24 RED ORANGE. YELLOW Y. GREEN BL. GREEN BLUE VIOLET PURPLE Fig. XXI.—Summation Curve, Tints and Colours ISO 100 150 / too … SO
Color
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