
- Who
- James Watt
- Where
- United Kingdom (Smethwick)
- When
- 1779
The oldest steam engine in working order is the Smethwick Engine. Designed by James Watt (UK, 1736—1819) and built by the Birmingham Canal Company (UK) in 1779 at a cost of £2,000 (then $TBC) the pump worked on the locks at Smethwick, West Midlands, UK, until 1891.
From Archives. Put forward for selection in Scholastic's Modern Marvels.