Hardening, tempering, annealing and forging of steel; a treatise on the practical treatment and working of high and low grade steel .. . FIG. 99.—SPECIAI, MIJJ,.. FIG. 100.—ANGULAR END MILL. in this way, as well as taps of various kinds and sizes; reamersand other like tools so tempered have always been very satis-factory. Hardening V-Shaped Milling following directions for hardening V-shaped milling cut-

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Keywords: ., bookcentury1900, bookdecade1900, bookidhardeningtem, bookyear1903