New York [etc.] Simmons-Boardman Pub. Co. [etc.] · leaf 342
in. thick. The 1 for designing patterns for malleable castings,the strength of the casting depends very muchupon the design, and that the strongest portion is the out-side surface. The strongest form is a star shaped sec-tion. For brackets, a number of thin ribs should be usedinstead of one thick…
Railroads · Railroad cars
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