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      Knowledge is Power

      Scientific American April 11, 1885

      Rapid Construction of the Canadian Pacific Railway

      • By E.T. Abbott on April 11, 1885

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      More in the April 11, 1885 issue of Scientific American
      • Alphabet Designed by Godfrey Sykes
      • Electricity as a Preventive of Scale in Boilers
      • Photometrical Standards
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