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 92
Fig. 88.—Elements of a Carbon Cylinder Cell.Zinc, carbon and sal-ammoniac solution. BATTERIES. 73 cell of the Standard Carbon Co., in which the carbon is madein the form of a porous cup and then filled with oxide ofmanganese to prevent polarization. Still another form of thesame make is shown in… … .big. 8y.—Elements of Carbon Cylinder Cell with Depolarizer.Zinc, manganese dioxide in a porous cup and sal-ammoniac solution. manganese and then sealed in. The zinc rod is prevented fromtouching the carbon by being first inserted through a porce-lain insulator. About 4 to 6 ounces of sal-ammoniac…
Electricity · Magnetism
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