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      Scientific American August 05, 1911

      Four-Cylinder Compound German Freiǵht Locomotive

      A Fine Example of German Construction

      • August 5, 1911

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      More in the August 05, 1911 issue of Scientific American
      • A New Ground Sloth Group
      • Measurinǵ the Laborer's Worth
      • Radiometer Motion Stopped by a very High Vacuum
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