They work, they are clumsy to use, they are still available
http://www.mylincolnelectric.com/Cat...et.asp?p=20690


steve wrote:

Does anyone know if I can still get hold of a carbon brazing torch? I
saw one a few years ago. It had two carbon electrodes in a kind of
holder and connects to an arc welder. Also, do they work? Are they any
good?