Thesaurus Term/Concept: RAILWAY SIGNAL
| Identifier | 70245 |
|---|---|
| Class | MONUMENT TYPE |
| Status | Preferred |
| Index? | Yes |
| Scope Note | A structure with semaphore arms and/or coloured lights used as a means of warning on railway systems. |
| Identifier | 70245 |
|---|---|
| Class | MONUMENT TYPE |
| Status | Preferred |
| Index? | Yes |
| Scope Note | A structure with semaphore arms and/or coloured lights used as a means of warning on railway systems. |