thomas newcomen

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born Feb. 28, 1663, Dartmouth, Devon, Eng. died Aug. 5, 1729, London British engineer. In 1712 he built his atmospheric steam engine, a precursor of James Watt's engine. In the Newcomen engine, atmospheric pressure pushed the piston down after the condensation of steam had created a vacuum in the cylinder. Newcomen engines were used for some years in the draining of mines and in raising water to power waterwheels
thomas newcomen

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    Thom·as New·co·men

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    ... ln 1 71 2, Thomas Newcomen produces a pump powered by burning coal ...
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