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 523
^^^A^, - SHADING AND SHADOWS. 335 tliat part of tlie sphere influenced by reflected liglit, wliicli it could nothave possessed if the shade tint had been extended to its circumference.Very little shade should be suflered to reach the outlines even of roughcircular bodies, lest the coloring look…
