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 430
e. This answers for verysoft solder. For a harder solder dissolve the zinc in a very small portionof the ammonium chloride solution (from J4 to 3^ pint). 3,084 HAWKINS ELECTRICITY The various fluxes and their use are given in tabular formin the accompanying tables. According to Haswell, the… … Figs. 4,445 to 4,448.—Various soldering bits, or so called irons. Fig. 4,445, ordinaryedge bit; figs. 4,446 and 4,447 hatchet bit; fig. 4,448, pointed bit. iron Soldering Bolts or Bits.—The erroneously called solderingor bit consists of a large piece of copper, drawn toa point or edge and fastened…
Electrical engineering
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