Modern electricity and magnetism, theoretically and practically considered (1885)
Avery, Elroy M[cKendree], 1844- [from old catalog] · New York and Chicago, Sheldon and company · leaf 99
um di-chromate(bi-chromate of potash) in dilute sulphuric acid is theliquid used. The hydrogen is given an opportunity forchemical union as fast as it is liberated. The E. M. F. ofthis cell is great to start with (from 1.8 to 2.3 volts)^ butit falls very quickly when the external resistance is… … (a.) The bottle form of this cell, represented in Fig. 183, is themost convenient for the laboratory or lecture table. By means of thesliding rod, the zinc plate may be raised outof the solution when not in use. Thus ad-justed, the cell may remain for months with-out any action, if desired, and be…
Electricity · Magnetism
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