| Reference Number | TPC/5/7/39 |
| Title | Proposed Support Framework for Drum Revolve Console - National Theatre |
| Level | Item |
| Date | 14 March 1974 |
| Description | Evershed Power-Optics Ltd drawing number W.6901 issue A. Drawn by R King. |
| Extent | 1 drawing |
| Series | Evershed Power-Optics Ltd Drawings |