Steam engine
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A steam engine is a heat engine that performs mechanical work using steam as its working fluid. The steam engine uses the force produced by steam pressure to push a piston back and forth inside a cyli
JŽ 06-018 steam locomotive, in Ljubljana, Slovenia
A model of a beam engine featuring James Watt's parallel linkage for double action
A mill engine from Stott Park Bobbin Mill, Cumbria, England
A steam locomotive from East Germany
Watt steam engine
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The Watt steam engine was an invention of James Watt that was a driving force of the Industrial Revolution. According to the Encyclopædia Britannica, it was "the first truly efficient steam engine".
A late version of a Watt double-acting steam engine, built by D. Napier & Son (London) in 1832, now in the lobby of the Superior Technical School of Industrial Engineers of the UPM (Madrid). Steam engines of this kind propelled the Industrial Revolution in Great Britain and the world.
The model Newcomen engine upon which Watt experimented
The major components of a Watt pumping engine
Watt's parallel motion on a pumping engine in Freiberg in Germany