| Reference Number | TPC/5/6/189/2 |
| Title | Track 12 and 13: Pulley Positions (Diversion for SH) |
| Level | Item |
| Date | November 1973 |
| Description | Mole-Richardson (Stage & Studio Engineering) Ltd drawing number D14/. Drawn by C R. |
| Extent | 1 drawing |
| Series | Mole-Richardson (Stage & Studio Engineering) Ltd Drawings |