Encyclopaedia Britannica, 11th Edition, Slice 2 Volume 11

Encyclopaedia Britannica, 11th Edition, Slice 2 Volume 11

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Excerpt: ...took was that of rotating a copper disk between the poles of a powerful electric magnet. He then found that a conductor, the ends of which were connected respectively with the centre and edge of the disk, was traversed by an electric current. This important fact laid the foundation for all subsequent inventions which finally led to the production of electromagnetic or dynamo-electric machines. Third Period.show more

Product details

  • Paperback
  • 189 x 246 x 11mm | 372g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236727789
  • 9781236727787