Thesaurus Term/Concept: EXTENDED DEFENCE OFFICERS POST
| Identifier | 123457 |
|---|---|
| Class | DEFENCE OF BRITAIN |
| Status | Preferred |
| Index? | Yes |
| Scope Note | An observation post for a naval officer in charge of a marine minefield. |
| Identifier | 123457 |
|---|---|
| Class | DEFENCE OF BRITAIN |
| Status | Preferred |
| Index? | Yes |
| Scope Note | An observation post for a naval officer in charge of a marine minefield. |