James Watt

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JAMES WATT, born in Greenock, January 19, 1736. Died On August 19, 1819, aged 83.
Invented the Centrifugal Governor to regulate the speed of a steam engine.
A Scottish Engineer who helped greatly of the development of the embryonic steam engine into a viable and economic means of power generation. Watt realised that the Newcomen steam engine was wasting nearly three quarters of the steam energy heating the piston and chamber. Watt developed a separate condenser chamber which significantly increased the efficiency. Further refinements made the steam engine his life's work.
He lived and worked in Birmingham.
He started to use the term Horsepower to compare steam engines. His value was 550 foot-pounds per second.
The unit of power is named after him.