| Reference Number | TPC/5/2/147 |
| Title | The New National Theatre Builders Work to Upper Theatre Fly Tower Ear Walls |
| Level | Item |
| Date | 26 April 1971 |
| Description | Theatre Projects Consultants Ltd drawing number 904/532. Drawn by Isabelle. |
| Extent | 1 drawing |
| Series | Theatre Projects Consultants Ltd Drawings |