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William Gilbert, an English physician and renowned author of De Magnete (“On the Magnet”), built an early form of the electroscope in the early 17th century.
William Gilbert, an English physician and renowned author of De Magnete (“On the Magnet”), built an early form of the electroscope in the early 17th century.
William Gilbert, an English physician and renowned author of De Magnete (“On the Magnet”), built an early form of the electroscope in the early 17th century. His device, dubbed the versorium, consisted of a lightweight needle balanced on a pivot. The presence of electricity in a nearby object caused the needle to move.