He greatly improved existing steam engines for use in factories.
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i don't know the person, there, were many including James watt, who invented the steam engine which was an important source of power for the industrial revolution.
James watt
yes, he was president at the time
Most people agree that the steam engine most symbolizes the industrial revolution. Thomas Newcomen and James Watt were two men who invented steams engines that helped power the industrial revolution.
A steam engine.