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 183
mercury electrode N it is necessaryto establish a metallic circuit from P to N and whennow this circuit is interrupted the current will con-tinue to flow into the mercury from the vapor in the Batteries 181 bulb, so long as the current flow is not broken else-where. If for any reason the current… … nm Figure 125 figure, A C is the source of the alternating currentwhich is to be rectified for the purpose of chargingthe battery. The current passes from whichever sideof A C may be positive to the positive electrodes P.So long as the bulb B remains in its upright positionno current will flow from…
Electrical engineering · Electric testing
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