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- · New York, T. Audel · leaf 274
here the saltsof copper or mercury are employ<;d. 962 HAWKINS ELECTRICITY Oues. What causes low specific gravity when there areno short circuits? Ans. 1, sloppage or a leaky jar (the loss ha\dng been replacedwith water alone), 2, insufficient charge, 3, over discharge, or4, a combination of… … Figs. 1,10J and 1,17U.—The National storage battery; views showing methods ofassembling cells. Fig 1,169, end assembling; fig 1,170, side assembling. Oues. How should weak cells be treated ? Ans. They should be grouped by themselves and charged asa separate battery, care being taken that the…
Electrical engineering
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