| Reference Number | TPC/3/23/4 |
| Title | National (Lower) Theatre Wagon Drive Layout |
| Level | Item |
| Date | 18 March 1974 |
| Description | Hall Stage Equipment Ltd drawing number Y-75/11 issue A. Drawn by H A C. Original date 7 December 1973. |
| Extent | 1 drawing |
| Series | The National Theatre Side Wagons in the Olivier and Lyttelton Theatres: Operating and Maintenance Instructions |