Thesaurus Term/Concept: CANAL LOCK
| Identifier | 70296 | 
|---|---|
| Class | MONUMENT TYPE | 
| Status | Preferred | 
| Index? | Yes | 
| Scope Note | A rectangular chamber of brick or stone with heavy wooden gates at either end equipped with sluices to let water in and out, thereby enabling a canal boat to be lowered or raised to a different level. |