| Reference Number | TPC/5/9/10 |
| Title | Assembly and Details Portal Tower, False Proscenium, National "Lower" Theatre |
| Level | File |
| Date | 20 January 1975 |
| Description | Tele-Stage Associates Ltd drawing number B.21.12. Drawn by M R B C. Original date 3 December 1974. Two copies, one annotated. |
| Extent | 2 drawings |
| Series | Tele-Stage Associates Ltd Drawings |