. Steel rails; their history, properties, strength and manufacture, with notes on the principles of rolling stock and track design . Fig. 312. —RaU B Near Surface,46 Dia. — Campbell. Fig. 313. — RaU A Near Surface,46 Dia. — Campbell. Fig. 312 shows B rail near the 313 shows A rail near the

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Keywords: ., bookcentury1900, bookdecade1910, bookidsteelrailsth, bookyear1913