Shop sketching, a course of problems for mechanical drawing students (1919)
Windoes, Ralph Flagg, 1890- · Milwaukee, Wis., The Bruce publishing company · leaf 26
s. This method may be used to locate any slant linesin perspective. Simply draw verticals and hori-zontals around the slant lines, and estimate the dis-tances on. the verticals and horizontals. The half-inch dimension of the lower edge of theprism must be estimated on the front vertical edgeof the… … I O
Mechanical drawing
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