Lead: Thomas Alva Edison invented the phonograph and the motion picture. Putting them together proved to be extraordinarily difficult.

Intro.: A Moment in Time with Dan Roberts.

Content: In 1877 Edison introduced his first sound recording, his own voice reading "Mary Had a Little Lamb." A dozen years later, with an improved version on the market, he started work on method of recording and reproducing moving photographs.

Listen to Segment

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