Crawshaw, Fred D. (Fred Duane), b. 1874, Phillips, J. D. (James David), 1869- joint author · Chicago, New York, Scott, Foresman and company · leaf 120
u I PENCIL MECHANICAL DEAWING 115 develop further skill in orthographic sketching and will makethe student familiar with the problem. As a result time will besaved in making the mechanical drawing, DATA FOR DRAWING PLATE 12 Given: Perspective sketches, Figs. 118, 119, and 120. Required: To draw a… … Fig. 118. Mortise Instructions: 1. This sketch should be drawn entirely freehand. Propor-tions and distances should be estimated—not measured. 2. Consider the form of the object carefully and select theviews to be drawn. 3. Compare the over-all dimensions of each view and block inthe view by…
Mechanical drawing
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