Watch Streaming The Story of Alternating Current Arc Welding (1944) : Movies Online 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. | ||
Release Date | : | Jan 01, 1944 |
Runtime | : | |
Genres | : | Documentary |
Production Company | : | General Electric |
Production Countries | : | United States of America |
Casts | : | |
Plot Keywords | : | welding, instructional |
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