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      Knowledge is Power

      Scientific American May 18, 1895

      An Improved Dephlegmator

      • By Sydney Young, G. L. Thomas on May 18, 1895

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      More in the May 18, 1895 issue of Scientific American
      • The Collapse of Saint Catherine's Tunnel
      • Wheeling in Munich
      • Patents - May 18, 1895
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