| Reference Number | TPC/5/6/107 |
| Title | Track Detail for Sound/Fire Door 'D' the National Theatre |
| Level | Item |
| Date | c 1973 |
| Description | Mole-Richardson (Stage & Studio Engineering) Ltd drawing number D14-221. Drawn by R J H. Works number 2832. |
| Extent | 1 drawing |
| Series | Mole-Richardson (Stage & Studio Engineering) Ltd Drawings |