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The steam engine was developed by Thomas Newcomen, it became the first engine that performs using steam.
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The lightning rod was first founded by Benjamin Franklin. It is to prevent lightning from damaging buildings and other materials.
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James Watt developed and produced a more efficient Newcomen engine, it is to harness the power of steam.
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William Cruickshank founded the first electric battery capable of mass production, it is arranged horizontally in a trough.
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Sir Humphrey Davy created a safety lamp for the miners to prevent from causing flames.
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The first light bulb was created by Thomas Alfa Edison and is one of the most famous inventions, it is now used everywhere as a light source, as it is the most effective.