| Reference Number | TPC/5/6/421 |
| Title | Seal Details for Sound/Fire Door Type 'C' the New National Theatre - London |
| Level | Item |
| Date | 11 January 1974 |
| Description | Mole-Richardson (Stage & Studio Engineering) Ltd drawing number D18-368. Drawn by G R S. Works number 2832. |
| Extent | 1 drawing |
| Series | Mole-Richardson (Stage & Studio Engineering) Ltd Drawings |