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Eli Whitney made the cotton gin in 1793.
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Eli Terry made the first household clock in 1814.
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Cyrus Hall McCormick made the Mechanical Reaper in 1834.
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Samuel F. B. Morse made the telegraph in 1844.
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Milton Bradley made the game board in 1860.
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Alexander Graham Bell made the telephone/telegraphy in 1876.
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William Seward Burroughs made the calculator in 1885.
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Emile Berliner made the gramophone/microphone in 1887.
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