Walker, William, b. 1821 · New York : C. Scribner · leaf 211
Fig. 143. … Fig. 144. ^\ 267. A third exercise may be practised from the upperpart of Fig. 139, by making the strokes much shorter, butstill keeping the essential conditions of shade just alludedto. As the first example would be suitable for Ash-trees,&c., so this would be for Beech, Birch, Poj^lar,…
Drawing -- Study and teaching
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