| Reference Number | TPC/5/7/26 |
| Title | National Upper Theatre Scenery Hoisting System Sheet 1 of 2 |
| Level | Item |
| Date | 04 July 1973 |
| Description | Evershed Power-Optics Ltd drawing number W6753 issue A sheet 1. Drawn by C B K. |
| Extent | 1 drawing |
| Series | Evershed Power-Optics Ltd Drawings |