. Steel rails; their history, properties, strength and manufacture, with notes on the principles of rolling stock and track design . Area of Head eq. Web ^ Base 41%19%40% 100 lbs. per yd. Ratio Periphery of Head to Area of Head Web Web Base Base Total sq. in. 100% Ratio Total Periphery to Total Area Moment of Inertia, Modulus, Head, Modulus, Base, Plate IX. — Standard P. S. Rail Section of the Pennsylvania Railroad System (adopted 1907).. yd. Elailway. Plate X. — Rail Secti

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Keywords: ., bookcentury1900, bookdecade1910, bookidsteelrailsth, bookyear1913