| Reference Number | TPC/5/7/58 |
| Title | Proposed Control Panel for Hoists 47.00Ft Lower Nat Theatre |
| Level | Item |
| Date | 08 April 1974 |
| Description | Evershed Power-Optics Ltd drawing ('W' series). Drawn by R King. |
| Extent | 1 drawing |
| Series | Evershed Power-Optics Ltd Drawings |