11. The tool may be brought to an edge by filing or grinding. To grind it is quicker, if a power grinder is at hand. To file it, place it in a metal vise, as shown in Figure 130, while at a
cherry-red heat and, with a bastard-cut file, bring it to the desired condition with firm and vigorous strokes. The file is pushed over the end, as shown in Figure 130, and also at right angles to this position.
12. Temper as directed for tempering the point.
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