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      Knowledge is Power

      Scientific American March 29, 1890

      Telephonic Specific Inductive Capacity

      • By F. H. Safford, G. U. G. Holman on March 29, 1890

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      More in the March 29, 1890 issue of Scientific American
      • A New Indigo Vat
      • Furnace for Drying Coal Agglo-merates
      • Porcelain Manufacture in France
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