Beyond the Doc: Edison's Inventions
Clip: Season 27 Episode 3 | 2m 40s
Thomas Edison is famous for inventions like the lightbulb, the phonograph and the kinetograph. But with over a thousand U.S. patents to his name, these famous breakthroughs are just the beginning. Go Beyond the Doc to learn about Edison's lesser-known inventions.
Aired: 01/27/15
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