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Product information "Altay Pith Ball Electroscope"
High impact electrostatic force experiment. The Pith Ball Electroscope is a simple instrument for demonstrating electrostatic force. With some simple rods of different material like Perspex, PVC or glass and a piece wool or silk surface you can charge one of the spheres in the electroscope. After this the spheres will have different charge and will repel each other.
