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phonograph
230px|thumb|right|[[Ediphone|Edison cylinder phonograph ca. 1899.
Trivia about phonograph
After hearing this invention of his work, Edison said, "I was never so taken aback in my life"
For the record, Thomas Edison invented the first practical one of these in 1877
Edison suggested it be used to record phone calls & make clocks talk
The name of this 1877 invention is from the Greek for "sound writing"
Phonograph,pinball machine,transistor radio
(Sarah of the Clue Crew indicates another drawing on the monitor.) Edison writes: "A is a cylinder, having a helical indenting groove" in the 1877 patent application for this device