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      Digital & 4-Year Archive

      Scientific American September 29, 1917

      Building the Quebec Bridge, The Liberty Motor, and more

      Second Attempt to Raise the 640-Foot Suspension Span into Position, Successful

      • September 29, 1917

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      More in the September 29, 1917 issue of Scientific American
      • Ideas that will not Work
      • Recently Patented Inventions- September 29, 1917
      • The Submarine Problem --XVI
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