The Newcomen steam engine was invented by Thomas Newcomen in 1712. The engine was commonly found in coal mines across Britain and Europe in the 1700s. A diagram of Watt's 1776 steam engine.
Pioneers like Thomas Newcomen and James Watt created ever-improving steam engines. Over time ... the workshops and drawing boards of dreamers. 1869: Sylvester Roper Steams Into History On His ...