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Anton von Leeuenhoek invents the microscope.
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Joseph Gayetty invents toilet paper.
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Eli Whitney invents the cotton gin.
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Eli Whitney invents the cotton gin.
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Thomas L. Jennings invents a process for dry-cleaning delicate clothing
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Samuel Morse invents the telegraph.
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Samuel Morse invents the telegraph.
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Samuel Morse invents the telegraph.
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John Deere invented the first cast steel plow.
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Charles Goodyear invents vulcanized rubber.
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Charles Goodyear invents vulcanized rubber.
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Charles Goodyear invents vulcanized rubber.
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Elias Howe invents the sewing machine.
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Elias Howe invents the sewing machine.
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Elisha Graves Otis invents the elevator break.
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Elisha Graves Otis invents the elevator break.
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William Seward Burroughts invents the adding machine.
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William Seward Burroughts invents the adding machine.
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Whitcomb L. Judson invents the zipper.
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Whitcomb L. Judson invents the zipper.
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Edwin Binney and Harold Smith invent Crayola Crayons.
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Frank Henry Fleer invents bubble gum.
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Dr. Patricia Bath invents a Laserphaco Probe.
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Jonas Salk invents a vaccine for polio.
