| Reference Number | TPC/5/7/68 |
| Title | National Upper Scenery Hoists - Point Hoist - Wiring Diagram |
| Level | Item |
| Date | 05 December 1980 |
| Description | Evershed Power-Optics Ltd drawing number X12688. Drawn by C A W. Original date 26 March 1974. |
| Extent | 1 drawing |
| Series | Evershed Power-Optics Ltd Drawings |