teel spaced about tical ideas. A case in point is afforded by the inven- than the heated metal at the working temperature, is }( inch apart, the annular spaces being filled in with first placed on the top of the charge, and when the the non-conducting material. The container is mount- tion of Mr.… … strength is 24 per cent, with a proportionate increase container, was eventually overcome by dividing up the in elongation. Some tests made at Woolwich Arsenal container into sections composed of concentric steel PRODUCING METALLIC BARS BY EXTRUSION. with Delta metal bars produced by extrusion show…
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