Babbit, Arthur B · New York, H. Holt and company · leaf 61
Plate 3 50 MECHANICAL DRAWING … Plate 3 EXTRA PLATE Divide the rectangle made by the margin hnesinto two equal parts by a vertical line through thecenter. The problem to be drawn in the rectangleat the left will be selected from the upper part ofpage 52, that for the right-hand rectangle from thelower part of the same page. Make…
Mechanical drawing
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