Showing posts with label Phonograph. Show all posts
Showing posts with label Phonograph. Show all posts

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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