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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 685
tion, 2,401, #9.plumbic, artificially made, 958, #4.pure, in storage battery, 960, #4.Oxidizing of brass, 98, #1.Oxy-acetylene, flame, features of, 3,115, #10.torch, adjustment of, 3,115, #10.and hydrogen, 899, #4. 3,140, #10.production of, 3,140, #10.Oxygraph, Davis-Bour., ills., 3,131, #10. of… … Pacific switches, ills., 1,597, 1,601, $7.Packard automobile circuit diag., 2,801, $10.Palladium in contact with zinc, 44, $1.Palm rule, dir. of ind. cur., ills., 135, 136, $1.Palmer, hoisting safety limit stop, 2,954, $10.service sw. and fuse box, ills., 1,591, #7.Pan cake transformer coils,… Electrical engineering
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