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cheaper & easier method to produce cast iron by Abraham Darby
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steam engine by Thomas Newcomen
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spinning jenny by James Hargreaves
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Water frame by Richard Arkwright
water powered spinning machine -
Steam engine improved by James Watt
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Power loom by Edmund Cartwright
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Cotton Gin by Eli Whitney
separate cotton fibers from seed -
Telegraph by Samuel Morse and Alfred Vail
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1st inexpensive process for mass-producing steel by Henry Bessemer