| Reference Number | TPC/3/13/12 |
| Title | National (Upper and Lower) Theatre Slack Rope Grid Pulley |
| Level | Item |
| Date | 04 November 1974 |
| Description | Hall Stage Equipment drawing number Z49/17 issue A. Drawn by H M C. Original date 07 October 1974. |
| Extent | 1 drawing |
| Series | The National Theatre Point Hoists in the Olivier and Lyttelton Theatres: Operating and Maintenance Instructions |