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      Knowledge is Power

      Scientific American January 05, 1918

      New Barrel Concrete Mixer for Small Jobs, The Industrial Trackless Train and more

      • By Jos. Brinker on January 5, 1918

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      More in the January 05, 1918 issue of Scientific American
      • Automobile Development During 1918
      • Keeping the Cooling System Hot
      • The Motor Car of the Future
      View Full Contents
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