. Steel rails; their history, properties, strength and manufacture, with notes on the principles of rolling stock and track design . Pennsylvania, 100-lb. Pennsylvania, 85-lb. Fig. 339. — Recent Rail Sections. (Railroad Age Gazette.) INFLUENCE OF DETAIL OF MANUFACTURE 461. k s- •>J Canadian Pacific, 85-lb.

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Keywords: ., bookcentury1900, bookdecade1910, bookidsteelrailsth, bookyear1913