# Oscillating cylinder steam engine

> steam-engine design which does not require a valve gear

**Wikidata**: [Q12064978](https://www.wikidata.org/wiki/Q12064978)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Oscillating_cylinder_steam_engine)  
**Source**: https://4ort.xyz/entity/oscillating-cylinder-steam-engine