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      Knowledge is Power

      Scientific American August 02, 1919

      The Railways of Japan, Mineral Resources of the Republic of Georgia, and more

      • By K. Yamaguchi on August 2, 1919

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      More in the August 02, 1919 issue of Scientific American
      • Life of Brass Condenser Tubes
      • Sub-Antarctic Whaling, Detecting Over-Heated Bearings
      • Photography in Research
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