The Norton History of Technology. Savery's device involved heating water in a boiler; the boiling water produced steam, which was routed through pipes to a receptacle, which was in turn connected to a suction pipe that extended down into the water to be raised.
What the steam engine did to the world is something everyone should know and care about. The physical abuse was evident as he was strapped to the machine he was working on, and jeopardized his life if he were to stop.
He began work at five in the morning and worked until nine at night, with just one forty minute break for lunch. London: Blandford Press, As the success of his engine spread, so did the business demands Watt faced: deluged by paperwork, he invented a chemical process for copying documents, a process that remained in use until the arrival of the typewriter, long after Watt's death.
For good and ill, though, the inventions of Savery, Newcomen, and Watt altered the course of world civilization, providing a cheap and efficient source of energy and power that was adapted, and continues to be used in various forms, to drive civilization's engines.