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      Knowledge is Power

      Scientific American March 10, 1894

      The Giant Refracting Telescopes of America

      • By A. C. Ranyard on March 10, 1894

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      More in the March 10, 1894 issue of Scientific American
      • “Cascade”Platinum Concentrating Still for Sulphuric Acid
      • French Customs Guards and French Smugglers
      • Poling in Agave Plants
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