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  The Industrial Revolution started in 1750.
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  The spinning jenny was invented by James Hargreaves.
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  The spinning frame was invented by Richard Arkwright.
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  James Watt improves the steam engine.
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  The submarine was invented by David Bushnell.
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  James Watt's improved steam engine was first used to power a cotton mill.
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  The steam boat was invented by John Fitch.
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  Gas was invented by John Barber.
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  The cotton gin was invented by Eli Whitney.
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  The first electric light was invented by Humphry Davy.
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  The electromagnet was invented by William Sturgeon.
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  The typewriter was invented by W.A. Burt.
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  The first sewing machine was invented by Barthelemy Thimonnier.
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  The first comercially successful reaper was invented by Cyrus McCormick.
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  The first revolver was invented by Samuel Colt.
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  The telegraph is invented by Samuel Morse.
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  The Industrial Revolution ended in 1850.