Thanks Phil
Very informative article
You will laugh at this: I have read about carbon arc welding recently. It is a alternative to oxy acetylene welding . You have two carbon rods and a arc that creates the heat . You can braze and solder and even weld steel .
The rods are available on EBAY in various sizes . You use a standard arc welder as the power source .
Are these welders viable ? Have you ever tried the process ?
http://en.wikipedia.org/wiki/Twin_carbon_arc_welding
MIKE