4. When was the Steam Engine invented?
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In 1698 Thomas Savery patented a pump with hand-operated valves to raise water from mines by suction produced by condensing steam. In about 1712 another Englishman, Thomas Newcomen, developed a more efficient steam engine with a piston separating the condensing steam from the water.
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Before you where born lol sorry man just kidding
Answer) James watt invented steam engine in 1776.
Answer) James watt invented steam engine in 1776.
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