| Reference Number | TPC/5/6/424 |
| Title | Control Panel for Safety Curtain, Smoke Vents, Drencher and Doors (Lower Theatre) the National Theatre |
| Level | File |
| Date | 18 January 1974 |
| Description | Mole-Richardson (Stage & Studio Engineering) Ltd drawing number D18-371. Drawn by R J H. Works number 3089. Two copies, one annotated. |
| Extent | 2 drawings |
| Series | Mole-Richardson (Stage & Studio Engineering) Ltd Drawings |