| Reference Number | TPC/5/6/148/4 |
| Title | Disc Revolve Traps - Circuit Diagram |
| Level | Item |
| Date | c 1974 |
| Description | Mole-Richardson (Stage & Studio Engineering) Ltd drawing number D14-306 issue B. |
| Extent | 1 drawing |
| Series | Mole-Richardson (Stage & Studio Engineering) Ltd Drawings |