| Reference Number | TPC/5/6/210 |
| Title | General Arrangement of Sound/Fire Door 'B' The New National Theatre (Lower Theatre) |
| Level | File |
| Date | 07 March 1974 |
| Description | Mole-Richardson (Stage & Studio Engineering) Ltd drawing number D.18-31, unnumbered issue and issue B. |
| Extent | 2 drawings |
| Series | Mole-Richardson (Stage & Studio Engineering) Ltd Drawings |