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It was the 1st effective lamp.
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They were Maryland's street lights.
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It was invented by Thomas Davenport.
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Was invented by Samuel Morse.
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Was invented by Joseph Swan
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This was the year automobiles were invented.
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The 1st Geothermal Plant.
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It was the first Megawatt Wind Turbine.
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Was the 1st Mass-Produced Electric Car.
