Hard soldering

Description: Episode of Series “Basic Metalwork”. The three forms in which spelter is available; wire, strip and grain. Brazing the joints on a toasting fork. Uses of borax flux, wet and dry. Close-up shots of the brazing hearth. The heating up technique. Quenching, pickling, and cleaning up. Jointing two pipes into a T-piece. Wiring them into position. Seaming the joint on a square pipe.