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“Condensers of a the flat type, consisting of tin-foil conductors separated by thin, flat dielectric sheets, usually of micca, are much used. To obtain large area, and hence great capacity, they are arranged alternately in two series. A condenser of this type has a capacity of one microfarad, weighs 6 or 7 pounds.” — Avery, 1895


Elroy M. Avery School Physics (New York: Sheldon and Company, 1895) 428


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