| Reference Number | TPC/3/13/7 |
| Title | National (Upper) Theatre Spotline Hoists Section Thro' Slow Speed Shaft |
| Level | Item |
| Date | 20 September 1974 |
| Description | Hall Stage Equipment drawing number Z49/5. Drawn by H M C. |
| Extent | 1 drawing |
| Series | The National Theatre Point Hoists in the Olivier and Lyttelton Theatres: Operating and Maintenance Instructions |