St. John, Thomas M. (Thomas Matthew), b. 1865 · New York, T. M. St. John · leaf 42
t of the battery will give the current oftwo cells, and the two end binding-posts will give thecurrent of all three cells. When not in use the elementsmust always be hung on the hooks and kept out of thesolution. VARIOUS VOLTAIC CELLS. 39 54. Large Plunge Batteries, Fig. 42, are arrangedwith a… … Fig. 42. same dimensions, but there are two carbon plates to eachzinc, thus giving double the carbon surface. 55. The Fuller Cell, Fig. 43, is another type ofbichromate cell, used largely for long-distance telephoneservice, for telephone exchangeand switch service, for runningsmall motors, etc. It…
Electricity
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