e action on the zinc. Theseconditions keep the battery constant as long as coppersulphate remains in the pocket provided for it. The Gravity Cell (Fig. 95) is simply a modification ofthe Daniell cell. There is noporous jar, the liquids being keptseparated by their difference inspecific gravity,… … Fig. 95. Bichromate Cell. — The simplestform of single-fluid cell is knownas the bichromate cell. It con-sists of a zinc plate between two carbon plates suspendedin a solution of bichromate of potash sHghtly acidulatedwith sulphuric acid. The Grenet Cell (Fig. 96) is a common form of the…
Physics
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