• Glass stereo card - Winter view of American Falls, 1856

      Langenheim, F. (1856)
      A glass stereo card with a Winter view of the American Falls. The caption under the image reads "Entered according to Act of Congress in the year 1856, by F. Langenheim, in the Clerk's Office of the District Court for the Eastern District of Pennsylvania." Between the images is printed "F. Langenheim's patent, Nov. 19, 1850."