| Reference Number | TPC/5/6/314 |
| Title | General Arrangement of Smoke Vents Upper Theatre New National Theatre |
| Level | File |
| Date | [10 June 1973]-03 July 1978 |
| Description | Mole-Richardson (Stage & Studio Engineering) Ltd drawing number D18/178, unnumbered issue and issue A. |
| Extent | 2 drawings |
| Series | Mole-Richardson (Stage & Studio Engineering) Ltd Drawings |