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      Knowledge is Power

      Scientific American April 08, 1911

      Monsters of Bygone Ages

      Some Remarkable Restorations of Extinct Animals

      • By Harold J. Shepstone on April 8, 1911

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      More in the April 08, 1911 issue of Scientific American
      • A Combined Battery and Motor
      • Nocturnal Warfare
      • Recently Patented Inventions - April 8, 1911
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