American Inventors and Inventions

From Telephone to Ice Cream Cone: Inventions and Their Inventors. The period from the mid-nineteenth to the early twentieth century was a time of creativity and invention that forever changed American Society. Discover the how and why of these inventions through the inventors' own words, photographs, sound recordings, and film.Presented by the librarians at the Library of Congress. (20.2 MB file; playback time of 59 minutes)