Steam engine

James Watt repaired and improved a Newcomen steam engine, leading to the first reasonably efficient steam engine. He devised a method for keeping one chamber always hot and another always cold, utilizing latent heat more efficiently, which paved the way for the first truly efficient steam engine.
 James Watt Scotland 1764 Steam engine

James Watt repaired and improved a Newcomen steam engine, leading to the first reasonably efficient steam engine. He devised a method for keeping one chamber always hot and another always cold, utilizing latent heat more efficiently, which paved the way for the first truly efficient steam engine.