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The steam engine generated power to a machine.
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In other words the first light bulb.
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Samuel Morse invented the electric telegraph. The electric telegraph was a machine that could send messages long distance across a wire.
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The first oil well in the U.S. could produce oil and gas in efficient numbers which made it economically sustainable.
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The first battery invented was made of pairs of copper and zinc discs piled on top of each other, separated by a layer of cloth or cardboard soaked in brine.
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This lamp was the same as modern lamps we have today just less modified.
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This Automobile was a one-cylinder two stroke unit.
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Charles Brush built the first wind turbine to generate electricity. It was 17 meters tall and used 144 cedar rotor blades.
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The Hoover Dam was first opened to the public.
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The first silicon solar cell was an electrical device that could convert the energy of light into electricity.