Babbit, Arthur B · New York, H. Holt and company · leaf 98
centers, draw semicircles with a U radius abovethe horizontal hne. Below the horizontal line drawsemicircles about points E and G, using a U radius. EXTRA PLATE Draw a Ti square in the center of the sheet, andwork out one of the figures shown on page 87. Thecenters for the arcs are determined by…
Mechanical drawing
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