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      Scientific American August 1927

      Household Inventions, August 1927

      Devices Illustrated on This Page Make Housework Easier

      • By Albert A. Hopkins on August 1, 1927

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      More in the August 1927 issue of Scientific American
      • Are You Socially Intelligent?
      • New Trails of Ancient Man
      • Patents Recently Issued, August 1927
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