Inventors at work, with chapters on discovery (1906)
Iles, George, 1852-1942 · New York, Doubleday, Page & company · leaf 45
Girder forms in locomotivedraw-bars. 12 FORM burdens. Crank shafts of engines, to withstand severe strains, arebuilt in girder fashion; so are the side-bars of locomotives and thebraces of steel cars. Plates riveted together may serve as com-pound girders or columns of great strength and rigidity.… … 100,000 pound steel ore car built by the Standard Steel Car Co., Pittsburg, for the Duluth, Missabe & Northern R. R. Of structural steel throughout. Weight unloaded, 32.200 pounds. roof have a contour which enlarges at the extremities. ^?
Inventions · Inventors
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