Watt and Boulton steam engine, built in 1776.
© Science Museum / Science & Society Picture Library
Nineteenth century photograph of an engine constructed for the Birmingham Canal Navigation Pumping Station. James Watt (1736-1819) was a Scottish engineer and inventor who was at the forefront of the development of steam engines. In 1774, together with his business partner Matthew Boulton (1728-1809), he established a manufactory of steam engines in Soho, near Birmingham.