| Reference Number | TPC/5/6/167/2 |
| Title | Elevator Locks - Circuit Diagram |
| Level | Item |
| Date | c 1975 |
| Description | Mole-Richardson (Stage & Studio Engineering) Ltd drawing number D14-368 issue D. |
| Extent | 1 drawing |
| Series | Mole-Richardson (Stage & Studio Engineering) Ltd Drawings |