Thesaurus Term/Concept: BALANCE BOB
| Identifier | 140400 | 
|---|---|
| Class | COMPONENTS | 
| Status | Preferred | 
| Index? | Yes | 
| Scope Note | A counter balance designed to support the excess weight of a mineshaft's wooden beams. | 
| Identifier | 140400 | 
|---|---|
| Class | COMPONENTS | 
| Status | Preferred | 
| Index? | Yes | 
| Scope Note | A counter balance designed to support the excess weight of a mineshaft's wooden beams. |