Thomas Savery (1650, 1715) was an English inventor and engineer. He invented the first commercially used steam powered device, a steam pump which is often referred to as an engine. On July 2, 1698 Savery patented an early steam engine, A new invention for raising of water and occasioning motion to all sorts of mill work by the impellent force of fire, which will be of great use and advantage for draining mines, serving towns with water, and for the working of all sorts of mills where they have not the benefit of water nor constant winds. He demonstrated it to the Royal Society on June 14, 1699. The patent had no illustrations or even description, but in 1702 Savery described the machine in his book The Miner's Friend, or, An Engine to Raise Water by Fire, in which he claimed that it could pump water out of mines. Savery type engines continued to be produced well into the late 18th century. | |
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