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The calculator was invented by William Seward Burroughs.
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The clock was invented by Eli Terry.
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The steam engine was invented by Oliver Evans.
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The cotton gin was invneted by Eli Whitney.
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The sewing machine was invented by Elias Howe.
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The game board was invented by Milton Bradley.
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Telephone / Telegraphy was invented by Alexander Graham Bell.
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Dynamite was invented by Alfred Nobel.
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The cable car was invented by Andrew Hallidie.
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Barbed wire was invented by Joseph Glidden.
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The submarine was invented by John Phillip Holland.
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The Radio was invented by Guglielmo Marconi
