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      Knowledge is Power

      Scientific American August 25, 1917

      The Oil Fields of the Apsheron Peninsula

      Richest Lands in the World Contained Within Russia'S Barren Promontory

      • August 25, 1917

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      More in the August 25, 1917 issue of Scientific American
      • A Highly Sensitive Electrometer
      • Clearing the Way for an Advance
      • Hydrated Lime
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