| Reference Number | TPC/5/6/431/2 |
| Title | Wiring Diagram for Sound/Fire Doors Lower Theatre |
| Level | Item |
| Date | 23 September 1974 |
| Description | Mole-Richardson (Stage & Studio Engineering) Ltd drawing number D.18-384 issue B. Drawn by J T. Original date 9 February 1974. |
| Extent | 1 drawing |
| Series | Mole-Richardson (Stage & Studio Engineering) Ltd Drawings |