Thesaurus Term/Concept: AIR RAID WARNING SIREN
| Identifier | 123361 |
|---|---|
| Class | DEFENCE OF BRITAIN |
| Status | Preferred |
| Index? | Yes |
| Scope Note | A siren used to warn of an impending attack by enemy aircraft. |
| Identifier | 123361 |
|---|---|
| Class | DEFENCE OF BRITAIN |
| Status | Preferred |
| Index? | Yes |
| Scope Note | A siren used to warn of an impending attack by enemy aircraft. |