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. Transactions. Fig. 4.—Same Stp:el as in Figs. 2 and 3, but Furnace-Cooled AfterCase-Hardening. Magnified 100 Diameters. 426 NOTE ON THE CASE-HARDENING OF SPECIAL Fic. 5.—Nickel-Steel. Xi, ; C, Per Cent. Case-Hardened. STRUCTrRE OF Ca>E. MAGNIFIED 100 DIAMETERS.
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Keywords: ., bo, bookcentury1800, bookdecade1870, booksubjectmineralindustries