Thesaurus Term/Concept: SIDE LEVER ENGINE
| Identifier | 138237 | 
|---|---|
| Class | COMPONENTS | 
| Status | Preferred | 
| Index? | Yes | 
| Scope Note | A design of beam steam engine introduced circa 1800 in which, instead of a single overhead rocking beam, there are two beams positioned alongside the cylinder, one either side, giving a lower overall height. |