Double Ball Electroscope Fish Model 5times of rated current

5times of rated current

Operates with both mains power and rechargeable battery

they can be used to demonstrate attraction and repulsion

durable base

This model may be operated in electric motor mode or hand cranked to illustrate that the charge produced is nothing to do with the mains power supply

Double Ball Electroscope Fish Model 5times of rated currentDouble Ball Electroscopes. Electroscope for demonstrating static electricity. Two pith balls suspended on unspun silk string to test for charged objects. Plated brass pillar for durability. Plastic base for display. Suitable for high school or college students, or ages 14 to 21 Premium Quality: Double Ball Electroscopes is made of high grade construction all the way through, excellent build quality and proven reliability across the range. Designed for