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Poster The Story of Alternating Current Arc Welding 1944

The Story of Alternating Current Arc Welding 1944

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: 1944-01-01
  • Runtime: 15 minutes
  • Genre: Documentary
  • Stars:
  • Director:

Download : MP4

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