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      Knowledge is Power

      Scientific American December 23, 1911

      Developinǵ a small Water Power Plant

      Electric Power for the Farm and Country House

      • December 23, 1911

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      More in the December 23, 1911 issue of Scientific American
      • New Method of Testinǵ Rails
      • The Power Required to Cut Steel
      • Rules Governing the Competition for the $15,000 Flyinǵ Machine Prize Offered
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