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Description: An instrument for recording and reproducing the vibrations
of sound. It was invented by Thomas A Edison in 1877, and has been improved
by him and other inventors.
Source: B. P. Holst The Teachers' and Pupils' Cyclopaedia (Kansas City:
The Bufton Book Company, 1909)
Clipart courtesy of FTIC http://etc.usf.edu/clipart
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