The elements of dynamic electricity and magnetism (1903)
Atkinson, Philip. [from old catalog] · New York, D. Van Nostrand company · leaf 38
FiG. 6. ONE-FLVID CMLLB. 21 polarization as the last. The metal cover reduces itsresistance, and the separate rods are easily renovatedby heating or soaking in hot water when necessary, andcheaply replaced when worn out. In other cells of this class, as the Laclede and Mi- … FiG. 7. crophone, the cover is made a part of the conductingelectrode and the zinc insulated from it. The ringing of electric bells is one of the most com-mon uses to which sal-ammoniac cells are applied, andfor which their constancy on open-circuit work especiallyfits them. Dry Cells.—A cell…
Electricity · Magnetism
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