An elementary book on electricity and magnetism and their applications (1919)
Jackson, Dugald C. (Dugald Caleb), 1865-1951, Jackson, John Price, b. 1868, Black, Newton Henry, b. 1874 · New York, The Macmillian Co · leaf 34
sed for experimentalpurposes in isolatedplaces where no formof electric power isavailable, is a zinc-carbon battery with a liquid composed ofsulphuric acid in which potassium bichromate or sodium bi-chromate has been dissolved. When this cell is in operation,polarization is prevented by the… … and Chromic Acid Fig. 7. — Plunge battery with four bichro-mate cells. 18 ELECTRICITY AND MAGNETISM Carbon destroy copper. In the bichromate battery the zincs are gen-erally arranged so that they may be lifted out of the fluid whenthe cells are not in use, because the fluid eats up zinc whenthe…
Electricity · Magnetism
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