Babbit, Arthur B · New York, H. Holt and company · leaf 69
Plate 4 58 MECHANICAL DRAWING … PL.A.TE 4: EXTRA PLATE Divide the rectangle made by the margin hnesinto two equal parts by a vertical line through thecentei. The problem to be drawn in the rectangleat the left will be selected from the upper part ofpage 60, that for the right-hand rectangle from thelower part of the same page.…
Mechanical drawing
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