| Reference Number | TPC/3/17/1 |
| Title | National (Lower) Theatre Cradle for Lighting Hoists |
| Level | Item |
| Date | 03 May 1974 |
| Description | Hall Stage Equipment Ltd drawing number Y-90/3 issue B. Original date 11 September 1973. |
| Extent | 1 drawing |
| Series | The National Theatre Lighting Hoists and Operating Procedure for the Lighting Hoist Control System - Olivier Theatre |