. The science of railways . Cross lie 3^6 and, yieet- j Mck Rectangular Rail, A. D. 1838. Latrobes Compound Rail, wood and iron. Bal& Ohio Railroad, A. D. 1841. Fig. p. 44 BUILDING AND REPAIRING First Rail rolled in America, Baltimore & Ohio 92-pound Rail, 7 inches %/

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Keywords: ., bookcentury1900, bookdecade1900, booksubjectrailroa, bookyear1900