WELDING ELECTRODES, WHICH ARE CONSUMED IN THE WELDING OPERATION, WELDING, BRAZING, AND SOLDERING OVERLAY ALLOYS IN THE FORM OF RODS AND WIRES, EITHER BARE OR COATED WITH FLUX SUBSTANCE FOR USE IN CONNECTION WITH OXY-ACETYLENE TORCHES, WITH ELECTRIC HEATING AND CARBON-ARC DEVICES

Chemical Flux Composition for Use in Welding, Brazing, and Soldering Operations, Either to Be Applied to Metal Surfaces or to Welding Rods

ENCLOSED DEMONSTRATION BOOTHS WITH MEANS FOR PROJECTING AN IMAGE OF DEMONSTRATIONS CONDUCTED THEREIN ONTO AN EXTERIOR VIEWING SCREEN