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      Scientific American August 1928

      The Back Yard Astronomer, August 1928

      A Department Devoted to Interests of the Amateur Telescope Maker

      • August 1, 1928

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      More in the August 1928 issue of Scientific American
      • Flight Without Power, Towing Gliders and more
      • Priest-Professor Conducts Daring Exploration
      • Can Opener, Wooden Candles and more, August 1928
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