The Story of Alternating Current Arc Welding
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Demonstrates the differences between alternating current and direct current arc welding processes, and in particular the finer control available with AC machines at the time.
| Released | Jan 01, 1944 |
|---|---|
| Runtime | 0h 15min |
| Genre | Documentary |
| Actor | N/A |
| Director | |
| Production | General Electric |
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