Walker, William, b. 1821 · New York : C. Scribner · leaf 264
Fig. 192. Fig. 193. … Fig. 194. 236 On Angular Persj^ecUve. would be required ; whereas, where there is no knowledgeof perspective rules, the student must be constantly on thewatch to get every part in its proper place, and even then hecannot be sure of anytliing approaching absolute accuracy. Even when a complicate…
Drawing -- Study and teaching
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