. Steel rails; their history, properties, strength and manufacture, with notes on the principles of rolling stock and track design . Fig. 316. — Top View at Top of Head, 70 lb. Rail,50 Dia. (Am. Ry. Eng. Assn.) Fig. 317. — Top View at Center of Head,70-lb. Rail, 50 Dia. (Am. Ry. Eng. Assn.).

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Keywords: ., bookcentury1900, bookdecade1910, bookidsteelrailsth, bookyear1913