Twin carbon arc torch
A simple twin carbon arc torch has been manufactured for the developing world from local materials and applied to brazing and heating in order to offer an alternative to the much more expensive oxyacetylene torch and to the usually environmentally degrading use of charcoal.
SINET: Ethiopian Journal of Science Vol. 24, No. 1 (June 2001), pp. 133-138
Key words/phrases: Arc, brazing, carbon electrode, plasma, torch