4.1K views · 125 reactions | Thomas Edison completed his first working model of the phonograph on August 12, 1877. He debuted the invention later that year and amazed the public with his simple demonstration of how to capture the human voice. | American Experience | PBS | Facebook

1K views · 30 reactions | #OnThisDay in 1877, Thomas #Edison announced his invention of the cylinder #phonograph. In a demonstration of the phonograph, Edison recorded “Mary Had a Little Lamb” onto a foil cylinder and replayed the sound to an astonished audience. Learn more about the phonograph and Edison’s many other inventions: https://www.census.gov/history/www/homepage_archive/2017/november_2017.html | U.S. Census Bureau | Facebook