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 518
Fiff.5. … SUADINQ AND SUAD0W3. 333 As this method requires considerable practice before it can be per-formed with much nicety, the learner need not be discouraged at the fail-ure of his first attempts, but persevere in practising on simple figures ofdiflferent sizes. If, after shading a figure by the…
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