File:Holtzmachine-photo-1876.jpg

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Description
English: In 1865 Wilhelm Holtz invented the "Holtz Electrostatic Influence Machine", which was an electrostatic induction generator that converted mechanical work into electrostatic energy, and only needed an initial charge to begin operation.
Deutsch: Wilhelm Holtz war ein deutscher Physiker und Erfinder der nach ihm benannten Holtzmaschine.
Date
Source Library of Congress [1]
Author Himes, Charles F. (Charles Francis), 1838-1918, photographer

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