Scientific American. 121 August 12, 1905. fectly melted together. In order to give an idea of If the obstacle is of a light nature, it is deflected and … for the welding of 1 meter of sheet iron 3 milli- OXYGEN FOR WELDING PURPOSE? meters in thickness, will be about 15 to 20 pfennigs BY DR. ALFRED GRADENW1TZ. Apparatus for the Electrolytic Production of Oxygen and will be effected readily in ten to fifteen minutes. Though the oxygen-hydrogen process…
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