Thesaurus Term/Concept: BOB SETTING
| Identifier | 143710 |
|---|---|
| Class | MONUMENT TYPE |
| Status | Preferred |
| Index? | Yes |
| Scope Note | 18th-19th century stone-lined pit which held the balance bob for a pump-rod or flat-rod system. It includes examples where the surviving feature is a pillar for the bearing, rather than the pit. |