Hardening, tempering, annealing and forging of steel; a treatise on the practical treatment and working of high and low grade steel .. . the grooved pulley locked to the work spindle which holds theknife by bushing and long screw. Internal 171 shows the long slide and table at the rear of thecolumn and parallel to the spindle of the emery wheel; the pieceto be ground is fastened to the work spindle, the internal grinding 246 HARDENING^ TEMPERING AND FIG. 171.—INTERNAL GRINDING.

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Keywords: ., bookcentury1900, bookdecade1900, bookidhardeningtem, bookyear1903