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Samuel Morse developed the telegraph.
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Samuel Morse sent the first telegram from Baltimore to Washington, D.C..
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The United States already had about 30,000 miles (48,280 km) of railroad track.
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The United States had thousands of miles of telegraph lines.
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The government granted more than 400,000 patents for new inventions.
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Cyrus Field managed to lay a telegraph cable across the Atlantic Ocean.
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Christopher Sholes invented the typewriter.
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Workers laid an average of 11 miles (18 km) of track every day.
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Bell made great advances in developing a device for transmitting speech, the telephone.
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Edison decided to go into the invention business. He set up a workshop in Menlo Park, New Jersey.
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Bell formed the Bell Telephone Company.
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Edison developed the first workable lightbulb.
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Railroads began using tracks of steel. Steel was stronger than iron.
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Edison used 40 bulbs to light up Menlo Park.
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Edison built the first central electric power plant in New York City that provided electric light to 85 buildings.
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Westinghouse developed and built transformers, which could send electric power more cheaply over longer distances.
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William Burroughs invented the adding machine.
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George Eastman invented a small box camera,the Kodak. It made it easier and less costly to take photographs.
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Bell sold hundreds of thousands of phones.
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American astronomer Samuel Langley built a model airplane that was powered by a steam engine.
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John Thurman developed a vacuum cleaner which simplified housework.
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Wilbur and Orville Wright built and tested a series of non-powered gliders.
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Henry Ford started his own auto-making company in Detroit.
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In Wilbur and Orville Wright began testing this new plane they designed that was powered by a gasoline engine at Kitty Hawk, North Carolina.
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Wilbur and Orville Wright each piloted their plane.
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Ford introduced the Model T to the public.
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Americans in cities drove cars through streets lit with electric lights.