By 1883, engines that could provide 10,000 hp had become feasible. The engines could be sited anywhere that water and coal or wood fuel could be obtained. Watt's ten-horsepower engines enabled a wide range of manufacturing machinery to be powered. In 1781 James Watt patented a steam engine that produced continuous rotary motion. Thomas Newcomen's atmospheric engine was the first commercial true steam engine using a piston, and was used in 1712 for pumping in a mine. Savery's steam pump used condensing steam to create a vacuum and draw water into a chamber, and then applied pressurized steam to further pump the water. In 1698 Thomas Savery patented a steam pump that used steam in direct contact with the water being pumped. The Spanish inventor Jerónimo de Ayanz y Beaumont patented in 1606 the first steam engine. Using boiling water to produce mechanical motion goes back over 2000 years, but early devices were not practical. A steam engine is a heat engine that performs mechanical work using steam as its working fluid.
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