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      Knowledge is Power

      Scientific American April 17, 1915

      The Sakurajima Eruptions and Earthquakes

      • By E. Omori on April 17, 1915

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      More in the April 17, 1915 issue of Scientific American
      • Electrolytic Iron Melted in Vacuo
      • Progress in Aeronautics
      • The Thomas Military Tractor Biplane
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