the steam train yeh
In fact, Yes James Watt did invent the light bulb!
the radar
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
He improved steam engine.
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
watt's steam engine
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.