| Reference Number | TPC/5/6/227 |
| Title | Details of Grid Decking for Upper Theatre National Theatre |
| Level | Item |
| Date | c 1973 |
| Description | Mole-Richardson (Stage & Studio Engineering) Ltd drawing number D.18-81. Drawn by R M. Works number 3570/10. |
| Extent | 1 drawing |
| Series | Mole-Richardson (Stage & Studio Engineering) Ltd Drawings |