James Watt
British engineer (1736–1819)
7 dated entries naming James Watt, drawn from 7 separate years between 1728 CE and 1819 CE. Nothing here is written by us: each line is the sentence a Wikipedia year article used, and the link beside it opens the exact revision.
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18th century
- 1728September 3 – Matthew Boulton, English manufacturer, lifelong key partner of James Watt (d. 1809)source
- 1736January 19 – James Watt, Scottish inventor (d. 1819)source
- 1765May 26 – During a stroll in the park "on a fine Sabbath afternoon" at Glasgow Green, Scottish engineer James Watt receives the inspiration that provides the breakthrough in his development of the steam engine; he recounts later that "The idea came into my mind, that as steam was an elastic body it would rush into a vacuum, and if a communication was made between the cylinder and an exhausted vessel, it would rush into it, and might be there condensed without cooling the cylinder... I had not walked further than the Golf-house when the whole thing was arranged in my mind."source
- 1769April 29 – Scottish inventor James Watt is granted a British patent for "A method of lessening the consumption of steam in steam engines" – the separate condenser, a key improvement (first devised by Watt in 1765) and the basis for the Watt steam engine which stimulates the Industrial Revolution.source
- 1775James Watt's 1769 steam engine patent is extended to June 1800 by Act of Parliament and the first engines are built under it.source
- 1782The British Parliament extends James Watt's patent for the steam engine to the year 1800.source