On 4 Jan 2005 19:51:52 GMT, Ignoramus28225
wrote:

A post in the transformer thread made me think. I have a very large
transformer with many windings. At least a 200 pounds beast.

http://igor.chudov.com/tmp/capacitors/

That looks like a constant-voltage or ferroresonant transformer. The
presence of the oilfilled caps in the background supports that notion.

If the middle leg (iron) is movable, it might indeed make a good
arcwelder with that being the current-control shunt.