| Reference Number | TPC/3/13/9 |
| Title | National (Lower) (Upper) Theatre Spotline Hoists Section Thro' High Speed Shaft |
| Level | Item |
| Date | 23 September 1974 |
| Description | Hall Stage Equipment drawing number Z49/11. Drawn by H M C. |
| Extent | 1 drawing |
| Series | The National Theatre Point Hoists in the Olivier and Lyttelton Theatres: Operating and Maintenance Instructions |