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      Scientific American July 21, 1888

      Improvements in the Cable Railway of the New York and Brooklyn Bridge

      • July 21, 1888

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      More in the July 21, 1888 issue of Scientific American
      • A Waterproof Lining for Cellars
      • Correspondence - July 21, 1888
      • New Books and Publications - July 21, 1888
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