He improved steam engine.
1769
James Watt
1775
James Watt did not invent the steam engine. However he did improve the design made by Newcome. James Watt was an inventor all of his life. He invented many many things he made improvements on instruments and others.
he invented it on June 21 1995
James Watt improved the steam engine because he had an interest in steam engines.He also had amazing skills in mathematics and engineering.He couldn't turn down an incredible oppertunity to improve a steam engine.
Developed from 1763 to 1775.
No, he improved on Newcomen's design for pumping engines.
yes, he invented the steam engineHe improved the steam engine and made it more efficient he did not invent it.
James Watt biult the steam engine in the 1770
Boulton and Watt steam engine