| Reference Number | TPC/3/26/12 |
| Title | Slowdown Circuits for Approach to Selected Deads, Main and Fore Stages |
| Level | Item |
| Date | c 1980 |
| Description | Tele-Stage Associates Ltd drawing number A.16.110.11. |
| Extent | 1 drawing |
| Series | National - Lyttelton Stage Handbook |