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 90
volts and the internal resistance is about 4 ohms. Directions for setting up.the Leclanche Cell.—1. Place in theglass jar six ounces of ammonium chloride (sal-ammoniac), pour inwater until the jar is one-third full and stir thoroughly. 2. Put in the porous cup, and add water if necessary until… … Fig. 86.—Leclanche Cell. Carbon in porous cup with Mn02, zincin sal-ammoniac solution. 72 PRACTICAL ELECTRICITY. into the porous cup, which will lower its level to about two-thirdsthe height of the jar, at which level it should be kept, by addingwater as it evaporates. The cell is then ready for…
Electricity · Magnetism
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