Electroscope
Sold
An electroscope is an early scientific instrument that is used to detect the presence and magnitude of electric charge on a body. It was the first electrical measuring instrument. The first electroscope, a pivoted needle called the versorium, was invented by British physician William Gilbert around 1600.The pith-ball electroscope and the gold-leaf electroscopeare two classical types of electroscope that are still used in physics education to demonstrate the principles of electrostatics. 16 cm high
