International Library of Technology · Scranton, International Textbook Co. · leaf 163
ntains a plug made ofcorrugated lead ribbon curled intospiral form. This lead ribbon, afterbeing fixed in place, is converted intolead peroxide, and thus forms the activematerial of the positive plate. 58. In some batteries, the activematerial is formed by means of chemicalaction on the plate… … 48 ELECTRIC TRANSMISSION. § 15 Fig. 48, is an example of one where the active material isformed on the plate itself. It consists of a lead plate pro-vided with deep, narrow grooves, as shown. These groovesincline upwards and make the plate present a very large surface to the actionof the…
Electrical engineering
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