Thesaurus Term/Concept: CROWN TREE
| Identifier | 139551 | 
|---|---|
| Class | COMPONENTS | 
| Status | Preferred | 
| Index? | Yes | 
| Scope Note | The main vertical beam standing at the centre of a post mill carrying the bearing upon which the body of the mill rotates. | 
| Identifier | 139551 | 
|---|---|
| Class | COMPONENTS | 
| Status | Preferred | 
| Index? | Yes | 
| Scope Note | The main vertical beam standing at the centre of a post mill carrying the bearing upon which the body of the mill rotates. |