Shop sketching, a course of problems for mechanical drawing students (1919)
Windoes, Ralph Flagg, 1890- · Milwaukee, Wis., The Bruce publishing company · leaf 47
the inside construction can be more clearlyshown. A section is an imaginary drawing. In this ex-ample, we have imagined that we have cut the pistonon a center line through the two wrist pin bearings.We have then removed the front portion and drawnthe remainder of the object. Where we have im-agined… … Figure 18
Mechanical drawing
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