Crawshaw, Fred D. (Fred Duane), b. 1874, Phillips, J. D. (James David), 1869- joint author · Chicago, New York, Scott, Foresman and company · leaf 290
De^a/7 of Cap Fig. 325. Leveling Screw DATA FOR DRAWING PLATE 45 Given: An assembly drawing of a Leveling Screw, Fig.325; a flap valve. Fig. 326; and a letter press, Fig. 327. Required: To make freehand orthographic detail sketchof the object shown in Fig. 325, 326, 327, or any similar objectas… … Ph 286 MECHANICAL DRAWING
Mechanical drawing
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