| Reference Number | TPC/5/7/63 |
| Title | Wiring Diag[ram] National Theatre Hoist Systems Point Hoist |
| Level | File |
| Date | 02 April 1974 |
| Description | Evershed Power-Optics Ltd drawing number X12688 issue C. Drawn by C A W. Original date 26 March 1974. Two copies, both annotated. |
| Extent | 3 drawings |
| Series | Evershed Power-Optics Ltd Drawings |