Shop sketching, a course of problems for mechanical drawing students (1919)
Windoes, Ralph Flagg, 1890- · Milwaukee, Wis., The Bruce publishing company · leaf 62
Supplementary Plate 2 60 SHOP SKETCHING Supplementary Plate 3 A working sketch of a special wrench is illus-trated on this plate. One feature is a revolved sec-tion—a section at right angles to the center line atany chosen point to show the shape of the object atthat point. A revolved section is…
Mechanical drawing
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