Hardening, tempering, annealing and forging of steel; a treatise on the practical treatment and working of high and low grade steel .. . HARDENING MILLING CUTTERS. 145. PIG. 80.—TYPES OF MILLING CUTTERS. 146 HARDENING, TEMPERING AND ANNEALING. the furnace at the expiration of the time and quench the cutter ina bath of raw hnseed oil, twirhng it around rapidly in the oil so as

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Keywords: ., bookcentury1900, bookdecade1900, bookidhardeningtem, bookyear1903