International Correspondence Schools · Scranton, Pa. : The Colliery engineer co. · leaf 416
Fig. 474. Fig. 475. Fig. 47G. Fig. 477. being fastened to the pile by spikes through the strap s. Theshoe in Fig. 475 is an inverted cone of cast iron. The bolt 1000 RAILROAD CONSTRUCTION. ;/, whicli fastens the shoe to the pile, is of wrought iron, thecone being cast around it. The flat base of…
Railroad engineering
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