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      Knowledge is Power

      Scientific American June 25, 1910

      Some Principles of Efficiency

      Curing a Sick Industry

      • By Harrington Emerson on June 25, 1910

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      More in the June 25, 1910 issue of Scientific American
      • Lord Kelvin
      • Squibs, Fuses, and Detonators
      • The use of Anesthetics for Plants
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