Transactions . , Pa., Not., 1877. ^n ich f)Toke\ 07 cruskecl i?v seri-uc THE CHEMICAL COMPOSITION AND PHYSICAL PROPERTIES OF STEEL RAILS. JPJjAIE J J J. By C. B. DUDLEY, , Chemist, Penn. R. R. x^ra?ns fi Altoona, Pa., Not., 1877. om Jlails M ich^TO^cel 07 crushed- tn^ se^t/ice J-ietyTU. of J)xa^-rtx/nu Jot Ter^ile- Jt-ren^A of eo% io% J~ietq?Li, of JD-KX^TCiynv £o-r Tensile. Jirr&ri^iJi. of <S-t,6oo. Us Transactions of tlie Amedcaiiii InasMtate of MimiiMg Emgleeers, Vol. VM. PERNOT OPEN-HEARTHPLANT

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Keywords: ., bo, bookcentury1800, bookdecade1870, booksubjectmineralindustries