Necessary localization of heating is obtained by using the aquot; short- arc aquot; technique. This requires a const.-voltage power supply. Wire dia. up to A in. are used, and high prodn. speeds are attained in Al, C-steel, and stainless-steel welding. ... Suitable welders are described, and the need for a high p.f. is explained with vector diagrams. ... W. F. H. The Reception Building [in Aluminium] of the Regie Renault at Flins. ... W. F. H. Light-Metal Framing for Pre-Stressed Concrete Pressure Pipes.
|Title||:||Journal of the Institute of Metals|