Crawshaw, Fred D. (Fred Duane), b. 1874, Phillips, J. D. (James David), 1869- joint author · Chicago, New York, Scott, Foresman and company · leaf 271
may be had in lengths of V to 72, and withvarious combinations of graduations on the two edges of eachside. The most common graduations are I, -^^ ■^, ^V> ^°dj^-,\ Fig. 302. The Adjustable Square. Fig. 302 shows a square in whichthe blade is adjustable in the stock. The blade is an ordinary 266… … Fig. 301. Steel Tape
Mechanical drawing
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