e, 3. The manufacture of tubes of all dimensions. eral utilization of electrical processes of this character 4. The welding on of struts, flanges, etc. carbide, platinum, are liquefied by means of the acety- has not been effected, at least in Europe, doubtless be- 5. The repair of castings (gas… … 2.—Cross-Section of Unsoldered Aluminium. Fig. in welding by means of the oxy-hydrogen flame, as the Fig. 1.-Cross-Section Through the Soldered Joint. Greatly Enlarged. entire apparatus for the latter consists of two steel Greatly Enlarged. surfaces, a welding burner, and a few yards of tubing, 6.…
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