Frictional Electric Machine

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Now known as electrostatic generators, the Frictional electric machine produces static electricity at high voltage. “A, glass plate; B, rubber, holding amalgam; C, collecting points; D, prime conductor.” -Whitney, 1911

Source

William Dwight Whitney The Century Dictionary: An Encyclopedic Lexicon of the English Language (New York, NY: The Century Co., 1911)

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