International Library of Technology · Scranton, International Textbook Co. · leaf 162
lar-ity may always be found by connecting a wire to each poleand dipping the ends into a dilute solution of sulphuricacid. The wire from which the greater number of bub-bles is given is connected to the negative pole. Whenconnecting cells in series, care should be taken to see thatthe positive pole… … Fig. 47. 15 ELECTRIC TRANSMISSION. 47 56. The complete chemical reactions that take place ina storage battery are complicated and many of them arenot as yet well understood. When the cell is charged, theprincipal action is the formation of lead peroxide on thepositive plate and spongy lead at the…
Electrical engineering
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