| Reference Number | TPC/5/7/45/3 |
| Title | Proposed Hoist Control Position Upper Theatre National (Ref L9 83.50 Level) |
| Level | File |
| Date | 24 June 1974 |
| Description | Evershed Power-Optics Ltd drawing number W6970 issue C sheet 2 of 2. Drawn by R King. Original date 18 June 1974. Two copies, two annotated. |
| Extent | 2 drawings |
| Series | Evershed Power-Optics Ltd Drawings |