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 226
type, but in cases where onlyalternating current can be obtained, suitable rectifiers or con-verters should be used for changing it to direct current. 914 HAWKINS ELECTRICITY Charging.—Before beginninj^ to chars^e a storage battery, itshould be gone over carefully, and any cell that is not up to… … CC.6«»r)-oto/» Figs. 1,110 and 1.111.—Switchboard and motor dynamo circuit connections for charging ?battery from direct current mains. and gas; if too small, an insulating deposit of white lead sul-phate will be formed on the positive plate, thereby preventingthe formation of the proper amount of…
Electrical engineering
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