Appleton's cyclopædia of drawing, designed as a textbook for the mechanic, architect, engineer, and surveyor (1866)
Worthen, William Ezra, 1819-1897, [from old catalog] ed, Appleton, firm, publishers, New York. (1866. D. Appleton & co.) [from old catalog] · New York, D. Appleton and company · leaf 530
n, and to modify the color on every part accord-ing to its distance from tlie eye. It may be as well also, for the purposeof maintaining harmony in the coloring, and of equalizing its appearance,to color less darkly large shades than small ones, although they may besituated at an equal distance… … SHADING AND SHADOWS. 339 too violent a contrast between the parts colored and those without anycolor at all, dark shading would produce, in some measure, the indistinct-ness which is objectionable in completely tinted drawings. At page 383, Plate XCYIII. is a photograph from a finished drawingof…
