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    Pure Liquid Oxygen & Chemical Acetylene Torch Film (1922)

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    This silent film on oxygen gives an interesting in-depth look at the principles and uses of the oxyacetylene torch and shows how liquid oxygen is obtained. The film includes information on the oxygen process created by Frenchman Georges Claude, as well as the manufacturing of acetylene and calcium carbide. Also, oxyacetylene torch demonstrations on weld barrels, ships, and guns are shown.