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      Knowledge is Power

      Scientific American February 18, 1911

      Recently Patented Inventions- February 18, 1911

      • February 18, 1911

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      More in the February 18, 1911 issue of Scientific American
      • Neon Light
      • Starting a Clogged Drain
      • The New Stars, An Example in Turbine-Steamer Construction, and more
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