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      Knowledge is Power

      Scientific American September 23, 1916

      A Comparison of Weight in its Relation to Horse—Power in Motor Vehicles

      • September 23, 1916

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      More in the September 23, 1916 issue of Scientific American
      • A New Method of Repairing Injured Nerves
      • Electrolytic Iron
      • Stimulating Germination in Old Seeds
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