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Papin, Denis |
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Papin, Denis (dənē` päpăN`), 1647–1712?, French physicist and inventor. He was an assistant of Christian Huygens and of Robert Boyle and was professor of mathematics at the Univ. of Marburg (1687–96). He invented (1679) a steam digester (forerunner of the autoclave), a vessel in which the boiling point of water is raised by an increase in steam pressure; this device demonstrated the influence of atmospheric pressure on boiling points. His other inventions include a safety valve (for the digester), a condensing pump, an air gun, and a paddle-wheel boat. A pioneer in the development of the steam engine, he devised in 1690 a pump with a piston raised by steam. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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