| Reference Number | TPC/3/14/1 |
| Title | National Upper Scenery Hoists - Point Hoist - Wiring Diagram |
| Level | Item |
| Date | 26 March 1974 |
| Description | Evershed Power-Optics Ltd drawing number X12688 issue C. Drawn by C A W. |
| Extent | 1 drawing |
| Series | The National Theatre Point Hoists - Olivier and Lyttelton Theatres |