Crawshaw, Fred D. (Fred Duane), b. 1874, Phillips, J. D. (James David), 1869- joint author · Chicago, New York, Scott, Foresman and company · leaf 156
bject, with dimen-sions, as assigned by the instructor. The student should decidewhat views are necessary to show the form of the object. Instructions: In drawing the circles and ares, sketch in thecenter lines and lay off the radii on each, as in Plate 10. PREPARATORY INSTRUCTIONS FOR LETTERING… … Fig. 158. Stuffing Box Gland
Mechanical drawing
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