SHEILA TERRY / SCIENCE PHOTO LIBRARY SHEILA TERRY / SCIENCE PHOTO LIBRARY
Electrostatic generators. Historical artwork of two Wimshurst machines seen from the front (left) and from behind (right). The Wimshurst machine was developed between 1880 and 1883 by the British inventor James Wimshurst (1832-1903). The handle is turned to rotate two closely spaced vertical discs in opposite directions (shown by arrows). This acts to separate electrical charge, which can be stored in Leyden jars (two seen at front at left). Charge builds up and produces sparks between the two metal spheres (upper left and upper right). Electrostatic generators first began to be developed from around 1865. Artwork from A Travers l'Electricite (G. Dary, Paris, 1900).
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