Gilberts versorium needle electroscope
Резюме
Drawing of the 'versorium', the first electrical measuring instrument, a crude electroscope invented in 1600 by British scientist William Gilbert. It was a simple pivoted metal needle, like a compass but unmagnetized. The needle would be attracted to charged bodies.
Тэги
Дата
1902
Источник
Google Books
Ссылка
Информация о правах
public domain