• Life 1930-06-06 2649 visits Life 1930-06-06
  • Mechanics and Handicraft 1937-02 1874 visits Mechanics and Handicraft 1937-02
  • Popular Science 1933-08 1270 visits Popular Science 1933-08
  • Scientific American 1912-08-31 981 visits Scientific American 1912-08-31