Murray's Hypocycloidal Engine

Murray's Hypocycloidal Engine, now in Thinktank, Birmingham Science Museum, England, was made around 1805 and is the world's third-oldest working steam engine and the oldest working engine with a Tusi couple hypocycloidal straight line mechanism. == History == Designed by Matthew Murray, and made by Fenton, Murray and Wood of Holbeck, Leeds, it is one of only two of the type to survive; the other is located at The Henry Ford, Michigan, United States.

Source: Wikipedia — Murray's Hypocycloidal Engine (CC BY-SA 4.0)