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He created the cotton gin which separated the cotton and the seeds.
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He made the first battery. It could store electricity.
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He put a steam engine on a boat.
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He invented the camera which allowed for pictures to be kept.
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He invented the electric motor which is a motor that runs on electricity.
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He invented the telegraph which enabled people to communicate over long distances.
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He invented the telephone which allowed for people to communicate over long distances.
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He invented the light bulb which allowed for people to see in the dark.
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He created the gas engine which would later be put into a car.
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He created the diesel engine which ran on diesel fuel.
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These two created the first airplane that could fly.
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He created the assembly line for automobiles. This allowed for cheaper and faster manufacturing of products.
