Calvin F. b. 1846 Swingle profile picture

Calvin F. b. 1846 Swingle

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Oxy-acetylene welding and cutting, including the operation and care of acetylene generating plants and the oxygen process for removal of carbon
Oxy-Acetylene Welding and Cutting Including the Operation and Care of Acetylene Generating Plants and the Oxygen Process for Removal of Carbon (Classic Reprint)