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      Knowledge is Power

      Scientific American January 11, 1913

      Our Record-breaking Crop

      The Figure for 1912 Reaches Nine and a Half Billion Dollars

      • January 11, 1913

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      More in the January 11, 1913 issue of Scientific American
      • Battery-Ringing Telephones
      • The Auto-Truck for Coal Delivery
      • Diffusion of Education and Knowledge
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