Edison's earliest movies were in fact talkies--that is, they had sound. Showing one of those movies and producing the audio required these two devices, the projector on the left, and the phonograph on the right. They would be quite far apart, with the phonograph behind the movie screen, and the idea was that the audio would synchronize with the movie. But it didn't work that well.
Click here to read the related story on Thomas Edison's labs. And click here to check out the entire Road Trip 2010 package.
July 7, 2010 4:00 AM PDT
Photo by: Daniel Terdiman/CNET
| Caption by: Daniel Terdiman
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