Gold Leaf Electroscope

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“In the gold-leaf electroscope (invented by Bennet in 1787), two light strips of gold-leaf hang from the lower end of a metal rod, which passes vertically through an opening in the top of a glass bottle and expands above into a plate. If a piece of rubbed sealing-wax or other electrified body be brought near the plate, the gold leaves will repel each other and diverge ... A cylinder of wire gauze placed just inside the glass case, improves the action of the instrument.” -Hazeltine, 1894


Hazeltine, Mayo W. Chambers' Encyclopedia (New York, NY: Collier, 1894)


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