"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

Condenser

"Condensers of a the flat type, consisting of tin-foil conductors separated by thin, flat dielectric…