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      Scientific American May 1924

      The Grocery on Wheels

      A Self-Service, Motorized Store that Effects Great Economies for Dealer and Customer

      • May 1, 1924

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      More in the May 1924 issue of Scientific American
      • When, Where, Why?
      • Post-Treaty Standing of the World's Navies
      • The Lore of the Archaeologist
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