Of A Grub

3. Hold the tool, as shown in Figure 132, out to the edge of the anvil, and hammer it to an edge, with an even bevel of the desired length.

4. The bevel is further smoothed and the edge brought to the desired shape by grinding, as shown in Figure 133; or it is held in the vise and filed, as shown in Figure 134.

5. Temper as directed for tempering the pickax. The metal must be heated slowly and evenly so that the temper will draw down to the edge uniformly and thus be of the same degree of hardness all along the edge. If, in watching the edge as the color draws down, you notice that it does not draw down uni-

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