Hawkins electrical guide ... : questions, answers & illustrations : a progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications ; a practical treatise (1914)
Hawkins, N. (Nehemiah), 1833-1928 · New York : T. Audel & Co. · leaf 425
r 100 parts;bismuth 2 to 3 parts. It is claimed that this solder is also suitable forjoining aluminum to copper, brass, zinc, iron and nickel. Soldering Fluxes.—The word flux, means a substanceapplied to a metal to make solder flow readily on its surface. Theaction of a flux is largely that of… … Fig. 4,435.—Method of wiping a vertical joint. A small piece of cardboard cut open is placedunder the joint to catch excess solder, or as shown, a lead flange cut open is placed aroundthe pipe and held in place by twine. seen to tarnish rapidly and assume a dark brown appearance.A small piece of…
Electrical engineering
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