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Great patina
archeology
Primarily used by watchmakers
Comprised of Gold Vermeil
Wimshurst Influence Machine oillamp Great patinaInvented by British inventory, James Wimshurst, between 1880 1883. An electrostatic generator that develops high voltage, it as 2 counter rotating discs mounted vertically and 2 bars with brushes that rub against evenly spaced metallic strips mounted on each of the discs. Static electricity is produced when the discs rotate. This is stored in 2 lyden jars. Two electrodes leading from these lyden jars can be moved and the distance between them varied.
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