| Reference Number | TPC/5/7/15 |
| Title | Hoist Control Panel Layout - National Theatre - Lower |
| Level | Item |
| Date | 03 May 1974 |
| Description | Evershed Power-Optics Ltd drawing number V4443. Drawn by R King. |
| Extent | 1 drawing |
| Series | Evershed Power-Optics Ltd Drawings |