Crawshaw, Fred D. (Fred Duane), b. 1874, Phillips, J. D. (James David), 1869- joint author · Chicago, New York, Scott, Foresman and company · leaf 163
Tig. 164. Toot Stool … Fig. 165. Dash Pot Arm CHAPTER IV TRACING AND BLUEPRINTING Prospectus The pencil mechanical drawing of Chapter III is continuedin this chapter to develop further skill in the use of instrumentsand to improve the technique in both the mechanical and free-hand elements of the drawing. It is the chief…
Mechanical drawing
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