| Reference Number | TPC/5/6/167 |
| Title | [Electrical Schematic Hydraulic Locks Red Elevator and Elevator Locks - Circuit Diagram] |
| Level | File |
| Date | c 1975 |
| Description | Mole-Richardson (Stage & Studio Engineering) Ltd drawing number D14/368 issues B and D. |
| Extent | 2 drawings |
| Series | Mole-Richardson (Stage & Studio Engineering) Ltd Drawings |