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FORGING A BULB 97 a vertical position. A long, slim punch is used to force any rod into its proper position. If a rod needs moving a little to correct its shape, it is done by setting the punch Fig. 56. Bulb Made of Square Rods against it and striking it with a hammer. After the bottom part of the bulb is trued it is turned over in the vise and the top part trued. When this is done the knob at the top is cut off. The bulb is now annealed by heating and letting it cool, when it is again trued. If any part of the |
Hand Forging by Thomas F. Googerty