Thesaurus Term/Concept: SPEAKING TUBE
| Identifier | 95404 |
|---|---|
| Class | MDA OBJECT TYPE |
| Status | Preferred |
| Index? | Yes |
| Scope Note | A tube for conveying the voice from one room or building to another. |
Broader Terms/Concepts (1)
Related Terms/Concepts (0)
Narrower Terms/Concepts (0)
Instances/Examples (3)
| Context | Record |
|---|---|
| Find Type | SPEAKING TUBE (Edwardian to First World War - 1903 AD? to 1918 AD) |
| Find Type | SPEAKING TUBE (Mid 20th Century to Second World War - 1937 AD? to 1942 AD) |
| Find Type | SPEAKING TUBE (Victorian to First World War - 1891 AD? to 1914 AD) |