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      Knowledge is Power

      Scientific American November 05, 1910

      Ship Cranes, Counterweights, or Locks

      Some Canal Problems

      • November 5, 1910

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      More in the November 05, 1910 issue of Scientific American
      • High and Low Water Alarms for Boilers
      • Telegraphy and Telephony.—II
      • The use of Celluloid in Microscopy
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