= Franklin's electrostatic machine
{wiki=Franklin's_electrostatic_machine}
Franklin's electrostatic machine, often referred to as Franklin's electrostatic generator, is a historical device designed to generate static electricity. Developed by Benjamin Franklin in the 18th century, it is essentially a type of electrostatic generator that uses mechanical means to produce high voltages of static electricity through the process of friction. The machine typically consists of a rotating drum or disk made of an insulating material, which is rubbed by some form of a frictional material (like a leather strap).
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