Electricians' operating and testing manual; (1910)
Horstmann, Henry C. [from old catalog], Tousley, Victor Hugo, 1875- [from old catalog] joint author · Chicago, F. H. Drake & co · leaf 180
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 wire C tothe main cells of the battery and through the battery 178 Operating and Testing ammeter, the… … Figure 123 bars, leaving the booster out of circuit The dischargecurrent, however, must pass through the cells con-nected at R. In the above case, these are simple leadplates known as counter E.M.P. 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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