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  Pig iron fueled by coke instead of charcoal
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  Invented the first practical steam engine
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  John Roebuck developed the industrial-scale manufacture of sulfuric acid
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  Discovered methane
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  Wrote "The Wealth of Nations"
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  Created power loom
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  Manufactured soda ash from table salt
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  Created the cotton gin, which separates the seeds
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  Created the electric battery
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  German philosopher/journalist
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  Classical economist
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  Created and altered the sewing machine
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  Laid the first telegraph across the Atlantic Ocean Floor