| Reference Number | TPC/5/7/28 |
| Title | Cable Rooting Lower Theatre Power Flying National Theatre |
| Level | Item |
| Date | 17 September 1973 |
| Description | Evershed Power-Optics Ltd drawing number W6760. Drawn by [C B J]. |
| Extent | 1 drawing |
| Series | Evershed Power-Optics Ltd Drawings |