. Efficient railway operation . Area of Head, sq. in Web, ........... 19,4% Base, 2^ Total, Ratio Periphery Head to Area Head Web Web ........ Base • Base Ratio Total Periphery to Total Area Moment of Inertia • ii Section Modulus—Head 6.«0 2n 546 APPENDIX V A. R. A. Rail Sections — ContinuedType-T^. Area of Head, sq. in Web, Base, 2^ Total, Ratio Periphery Head to Area Head Web Web . .• Base Base Ratio Total Periphery to Total Area Moment of Inertia Section Modulus—

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. Efficient railway operation . Area of Head, sq. in Web, ........... 19,4% Base, 2^ Total, Ratio Periphery Head to Area Head Web Web ........ Base • Base Ratio Total Periphery to Total Area Moment of Inertia • ii Section Modulus—Head 6.«0 2n 546 APPENDIX V A. R. A. Rail Sections — ContinuedType-T^. Area of Head, sq. in Web, Base, 2^ Total, Ratio Periphery Head to Area Head Web Web . .• Base Base Ratio Total Periphery to Total Area Moment of Inertia Section Modulus—Head Base APPENDIX V 547 A. R. A. Rail Sections — Continued Type B.

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Keywords: ., bookcentury1900, bookdecade1910, bookidcu3192400485, bookyear1919