. Transactions . A, B, C, Bessemer metal in its original , Bessemer metal heated and slowly , Bessemer metal heated and quenched. F, Open-hearth metal in its original condition. Plate XIV. The Microstructure of Ingot-Metal. From drawings by A. , at the Royal Mechanico-Technlcal Experimental Station, Charlottenburg, Germany. All samples are from cast ingots of the Bochnm Steel Works. FIG .1, J-^ K- \ --^ L F/G. 2. t /^ - 4 %^ ? ? Thoni:is rucl;il ; ( per cent. Open-ht-aith inetai; C= percent k- 56/. FIG. 4. Open-hearth metal; C .= per cent. FIG. 5,

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Keywords: ., bo, bookcentury1800, bookdecade1870, booksubjectmineralindustries