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Jethro is famous for inventing the seed drill, which was drawn by a horse and sowed three regularly spaced rows of wheat grains.
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Charles is famous for inventing the four-field crop rotation. It plants different crops on the same land to improve soil fertility.
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Alessandro Volta is famous for inventing the battery. Batteries produce electricity from a chemical reaction. They are used in many every day object like phone, cars, etc.
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Robert Fulton is famous for inventing the steamboat, which is a boat that uses steam to make is sail across bodies of water.
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Samuel is famous for inventing the single-wired telegraph, which sends codes and messages.
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Alexander is famous for inventing the telephone. The telephone can call another person by receiving signals from both locations.
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Thomas Edison is famous for inventing the light bulb. It can light up rooms in homes and allow you to see in the dark.
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Eli Whitney is famous for inventing the cotton gin. It is a machine that separates cotton from its seeds.
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Nikola Tesla is famous for inventing the alternating current. Its in electric current that reverses direction.
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Rudolf Diesel is famous for inventing the diesel engine. It is a combustion engine that burns heavy oil.
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The Wright Brothers are famous for inventing the plane. Planes fly high in the sky and can transport to different parts of the world. Planes are also much faster than cars.
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Henry Ford is famous for inventing the assembly line. Work goes much faster and more smoothly due to the assembly line.
