erial is capable of resisting. Brick, pumice stone, 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,… … are to be made on the spot, the only possibility lies Fig. 2.—Cross-Section of Unsoldered Aluminium. 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.…
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