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.
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.

1987

2008
1952

2013

2006

2009

1972

2014

1938

1984

2014

1999
1996

1999

1993

1996

1949

1931

2006

1992