
1) Capacitor predecessor 2) Dutch invention 3) Primitive capacitor
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https://www.crosswordclues.com/clue/leyden-jar

A Leyden jar, or Leiden jar, is a device that `stores` static electricity between two electrodes on the inside and outside of a glass jar. It was the original form of a capacitor (originally known as a `condenser`). It was invented independently by German cleric Ewald Georg von Kleist on 11 October 1745 and by Dutch scientist Pieter van Mussch...
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http://en.wikipedia.org/wiki/Leyden_jar

• Alt. of Leyden phial
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http://thinkexist.com/dictionary/meaning/leyden_jar/

device for storing static electricity, discovered accidentally and investigated by the Dutch physicist Pieter van Musschenbroek of the University of ... [3 related articles]
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http://www.britannica.com/eb/a-z/l/42
Ley'den jar' (lī'd'n jär'; 277).
Ley'den phi'al (fī'
a l).
(Electricity) A glass jar or bottle used to accumulate electricity. It is coated with tin foil, within and without, nearly to its top, and is surmounted by a brass knob which communicates with the inner coating, for the purpose of chargin...
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http://www.encyclo.co.uk/webster/L/36

The Leyden jar was one of the earliest and simplest forms of electric capacitor. It was discovered independently about 1745 by the Dutch physicist Pieter van Musschenbroek of the University of Leyden and Ewald Georg von Kleist of Pomerania. The original Leyden jar was a stoppered glass jar containing water with a wire or nail extending through the ...
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http://www.probertencyclopaedia.com/browse/GL.HTM

An early form of capacitor. See also: Capacitor.
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https://www.encyclo.co.uk/local/20687

A device consisting of a glass jar lined inside and out with tinfoil, with a conducting rod connected to the inner foil lining and passing out of the jar through an insulated stopper; used by early experimenters to build and store electric energy. Also referred to as a condenser, as many people thought of electricity as fluid or matter that could ...
Found on
https://www.encyclo.co.uk/local/20820
No exact match found.