| Reference Number | TPC/5/2/68/1 |
| Title | National Theatre Upper Theatre Working Light System |
| Level | Item |
| Date | 16 March 1973 |
| Description | Theatre Projects Consultants Ltd drawing number 904/223 rev 1 (issue 1). Drawn by P O. |
| Extent | 1 drawing |
| Series | Theatre Projects Consultants Ltd Drawings |