James Watt (19 January 1736 - 19 August 1819) ek Scottish mathematician aur engineer rahaa. Uu pahila steam engine nai banais rahaa lekin iske badal ke aur achchhaa karis rahaa. Watts ke steam engine ke is 18th anur19th centuries me Industrial Revolution ke drive kar ke credit dewa jaawe hae.

A picture of James Watt

unit of power, the watt, uske naam se aais hae.

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