Lessons in practical electricity; principles, experiments, and arithmetical problems; over four hundred illustrations; an elementary text book (1909)
Swoope, C. Walton (Coates Walton), d. 1901 · New York, D. Van Nostrand company · leaf 104
ric acid (about a 20 per cent. so=lution). The lead plates are sometimes perforated, and intothe perforations of the positive plates is pressed red lead,while the negative perforations are filled with finely dividedparticles of metallic lead. QUESTIONS. 1. Name all the effects of an electric… … Fig. 96.—Chloride Accumulator.Positive element, two plates; negative ele-ment, three plates. terminal forming the negative 86 PRACTICAL ELECTRICITY. 4. How would you classify liquids according to their conductingpower, and the chemical effect of the current upon them ? 5. What do you mean by…
Electricity · Magnetism
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