| Reference Number | TPC/5/8/57 |
| Title | National (Upper) Theatre Lighting Hoists: Layout of Hoist Units and Cradles |
| Level | Item |
| Date | 01 November 1974 |
| Description | Hall Stage Equipment Ltd drawing number Y90/18. Drawn by H M C. |
| Extent | 1 drawing |
| Series | Hall Stage Equipment Ltd Drawings |