. Transactions. Fig. 11.—Same as Fig. 10. Fig. 12.—High-carbon steel xjnetched; shows polygoxal boundaries of GAMMA IRON. XoO. Vol. lxvh.—26 402 SURFACE CHANGES OF CARBON STEELS HEATED IN VACUO

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Keywords: ., bo, bookcentury1800, bookdecade1870, booksubjectmineralindustries