KANSAS CITY, Mo. (KCTV) - October 17, 1888. Thomas Edison files a patent for the optical phonograph, a device capable of recording and replaying sound for the first time, producing a moving picture.
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Inside Thomas Edison's legendary lab in West Orange
The Thomas Edison National Historical Park offers a rare, immersive look at one of the most prolific minds in American history - and the place where innovation became an industry.
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