Friday, November 21, 2008

Thomas Edison's Phonograph

On November 21, 1877, technology pioneer Thomas Alva Edison announced his invention of the first phonograph, a device with the capability to record and replay sound. Over 131 years later, the phonograph is more commonly referred to as a record player or turntable. Edison’s inventions also include the light bulb, motion pictures, and the alkaline battery. For more information and spots related to Thomas Edison, click here.

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