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Technical Details - Leyden Jar

A Leyden Jar is a device that early experimenters used to help build and store electric energy. It was also referred to as a 'condenser' because many people thought of electricity as fluid or matter that could be condensed. Nowadays someone familiar with electrical terminology would call it a capacitor. These were used by Marconi during his early experiments in the development of the tuned transmitter.

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