| Reference Number | TPC/5/6/284 |
| Title | Details of Safety Curtain Guides and Smoke Seals, (Lower Theatre) National Theatre |
| Level | File |
| Date | 15 October 1973-06 December 1973 |
| Description | Mole-Richardson (Stage & Studio Engineering) Ltd drawing number D.18-147 issues A and B. |
| Extent | 3 drawings |
| Series | Mole-Richardson (Stage & Studio Engineering) Ltd Drawings |