Leyden jar

views 2,362,041 updated May 29 2018

Leyden jar Earliest and simplest device for storing static electricity, developed c.1745 in Leyden, Holland. The original electrical condenser (capacitor), it consists of a foil-lined glass jar partly filled with water and closed with a cork through which protrudes a brass rod wired to the foil. To charge the jar, friction is applied to the tip of the rod.

Leyden jar

views 1,557,976 updated May 11 2018

Ley·den jar • n. an early form of capacitor consisting of a glass jar with layers of metal foil on the outside and inside.

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