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Notice: fwrite(): write of 60 bytes failed with errno=122 Disk quota exceeded in /home3/dodecasaurus/itopmovies.com/Application/Model/Filecache.php on line 75 The Story of Alternating Current Arc Welding
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: 1944-01-01 Status:Released Run time:
15 min / 0:15 Production Company :
General Electric Production Country:
United States of America
