| Reference Number | TPC/3/17/9 |
| Title | Lighting Hoists National Theatre |
| Level | Item |
| Date | 19 April 1974 |
| Description | Photocopy of Hall Stage Equipment Ltd sketch number W-713, drawing series Y-90. Drawn by R Lemmer. |
| Extent | 1 drawing |
| Series | The National Theatre Lighting Hoists and Operating Procedure for the Lighting Hoist Control System - Olivier Theatre |