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The first steamboat to see the waters of the United States was in the Deleware river in Philidelphia Pensilvania
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Humphery Dayy said that metal strips could be heated to a point that avery strong electrical current could pass through them
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In Baltimore MD, the first gas company was used to light the street lamps and to move away from coal lamps.
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"Tom Thumb" was the first steam train to carry passengers. It traveled from Baltimore to Ohio, the trip lasting 1 hour and 15 minutes.
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Joseph Henery Created the first electric relay to get electricity to travel farther
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The first Gaslight was turned on in the White house while James K Polk was serving
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Pierre Curie discovers this effect, in which an item that has pressure on it produces electricity
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Henery Ford starts mass producing the Model T
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The U.S.S Jupiter was the first electrically propelled boat to be commisioned by the US Navy
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The Hoover Dam, one of the US's largest hydroelectric power dams, is built on the Colorado River in Arizona