Comparison of Alternating-Current and Direct-Current Metallic Arc-Welded Joints: A Thesis (Classic Reprint) - Softcover

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Excerpt from Comparison of Alternating-Current and Direct-Current Metallic Arc-Welded Joints: A Thesis

Two types of metallic arc - welding machine are in gen eral use at the present time, classified according to the characteristics of the electrical current used to produce the arc, namely, alternating - current and direct-current welders. The alternating type can be further divided into the generator type and the transformer type.

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