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      Knowledge is Power

      Scientific American May 19, 1906

      Reservoir, Fountain, and Stylographic Pens—VI

      • By James P. Maginnis on May 19, 1906

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      More in the May 19, 1906 issue of Scientific American
      • Locomotive Superheaters—Practical Difficulties in the use of Superheated Steam
      • Specific Heat of Superheated Steam
      • The Intensity of Pressure of Wheels on the Road
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