Van De Graaff Generator, Dual Drive, 1 Each

Van De Graaff Generator, Dual Drive by United Scientific is a large electrostatic demonstration generator that runs by hand crank or motor and produces approximately 200,000 volts with sparks of 10 cm and longer, even in humid rooms. It has a 28 cm polished steel sphere, stands 76 cm high, and ships with a discharge wand, plume, whirl, discharge bulb, and spare belts for physics classroom and lecture demonstrations.