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® When Edison built his first *phonograph in 1877, he published an
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article/proposing ten uses to which his invention might be put.
@They included preserving the last words of dying people,
Crecording books for blind people to hear, and teaching spelling.
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put A to B "AをBの状態にする!
* phonograph 「蓄音機」
(People) might put his invention to ten uses
(熊本大学)