St. John, Thomas M. (Thomas Matthew), b. 1865 · New York, T. M. St. John · leaf 41
Fig. 40. 53. Plunge Batteries. Two or more cells are oftenarranged so that their elements can be quicklj loweredinto the acid solution. Such a combination, Fig. 41, iscalled 3. plunge battery. The binding-posts are so arrangedthat currents of different strengths can be taken from thecombination.…
Electricity
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