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 a diagonal seam which is welded. The ring A is pressed on to the cone B at a welding heat, and then the combination is again heated and pressed into the plate C. The whole of this work is done in suitably shaped dies, so that after the final weld the piece comes out as in Fig. 13. The joint a is merely closed together and not welded. The whole of the work is done under a 100 ton hydraulic forging press with two rams horizontal and vertical. One ram holds the work and dies in place, and then the other ram is set in action and squeezes the parts together.

Blacksmith’s Shop. In this department the work consists principally in welding rods, bars,