Electricians' operating and testing manual; a hand book for men in charge of electrical apparatus, repair men, trouble men, lamp trimmers, and electricians generally (1916)
Horstmann, Henry Charles, Tousley, Victor Hugo, 1875- joint author · Chicago, F.J. Drake & co · leaf 182
oster is provided with fields like anordinary dynamo, and the field strength can be ad-justed. To charge, the double throw switch S isthrown upward and current now passes from the pluspole of the dynamo to switch S, then along ware C tothe main cells of the battery and through the battery 178… … Figure 123 hars, leaving the booster out of circuit The dischargecurrent, however, must pass through the cells con-nected at R. In the abo^^e case, these are simple leadplates knowTL as counter E.M.F. cells and oppose theflow of current so that by their aid the rate of dis- Batteries 179 charge can…
Electrical engineering · Electric testing
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