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Harold P. B. 1887 Manly

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Oxy-Acetylene Welding and Cutting
Oxy-Acetylene Welding and Cutting Electric, Forge and Thermit Welding, Together with Related Methods and Materials Used in Metal Working and the Oxygen Process for Removal of Carbon
Oxy-Acetylene Welding and Cutting Electric, Forge and Thermit Welding Together with Related Methods and Materials Used in Metal Working and the Oxygen Process for Removal of Carbon