James Watt was a Scottish inventor. He was born in 1736 at Greenock and died in 1819. He invented the modern steam-engine - that is he patented the separate condenser for steam engines - though not the steam-engine, that had been invented in 130BC by Hero of Alexandria and the first practical steam engine designed by Dionysius Papin in 1690 and constructed by Thomas Savery in 1698. Research James Watt
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