He improved steam engine.
In fact, Yes James Watt did invent the light bulb!
No, James Watt did not invent the light bulb. The light bulb was invented by Thomas Edison in 1879. James Watt was known for his improvements to the steam engine.
IN INDIA
1758
1769
James Watt
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.
1775
James Watt did not invent watts. The watt is a unit of power named after James Watt, a Scottish engineer who made significant contributions to the development of the steam engine. The watt is defined as one joule of energy per second.
he invented it on June 21 1995
James Watt didn't really "invent" anything. (Almost nobody "invents" things.) What Watt did is to modify an existing steam engine to make it far more efficient and reliable, making it not only useful but also commercially feasible.
Developed from 1763 to 1775.