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      Scientific American August 1914

      Super-high Velocity Cartridges and Three-barrel Guns

      • By Frank C. Perkins on August 1, 1914

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      More in the August 1914 issue of Scientific American
      • Correspondence- August 1, 1914
      • Inventions New and Interesting- August 1, 1914
      • Will the Cyclecar Come into its Own?
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