| Reference Number | TPC/5/2/68 |
| Title | National Theatre Upper Theatre Working Light System |
| Level | File |
| Date | 16 March 1973-c 1974 |
| Description | Theatre Projects Consultants Ltd drawing number 904/223 unnumbered issue and issue 1. |
| Extent | 3 drawings |
| Series | Theatre Projects Consultants Ltd Drawings |