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      Knowledge is Power

      Scientific American September 25, 1915

      Strategic Moves of the War-September 15th, 1915

      • By Matthew E. Hanna on September 25, 1915

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      More in the September 25, 1915 issue of Scientific American
      • Recently Patented Inventions - September 25, 1915
      • Remarkable Collision between an Oil Car and a Steam Locomotive
      • Correspondence - September 25, 1915
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