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      Scientific American January 10, 1920

      Scientific American Monthly, Obsolete at the Very Outset and more

      • January 10, 1920

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      More in the January 10, 1920 issue of Scientific American
      • Recently Patented Inventions - January 10, 1920
      • The Shunt-less Freight Terminal
      • Revival of Our Oldest Navy Yard
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