| Reference Number | TPC/5/4/444 |
| Title | Lower Theatre Auditorium, Recess for Loudspeakers in Balcony Soffit |
| Level | Item |
| Date | 22 June 1971 |
| Description | Denys Lasdun & Partners drawing number 552/02/4618. |
| Extent | 1 drawing |
| Series | Denys Lasdun & Partners Drawings |