Thesaurus Term/Concept: HYDRAULIC JIGGER
| Identifier | 92324 | 
|---|---|
| Class | MONUMENT TYPE | 
| Status | Preferred | 
| Index? | Yes | 
| Scope Note | A hydraulic machine used to magnify the stroke of a hydraulic piston. The pulleys and chains of a crane or other device are attached to the jigger. |