| Reference Number | TPC/5/3/14 |
| Title | Sound and Communication Outlets; Upper Theatre and Offices Group Grids E-L Plan at Level 59.25 |
| Level | File |
| Date | 23 March 1970-28 June 1971 |
| Description | Theatre Projects Consultants Ltd drawing number 904/309, unnumbered issue and issue 1: Sound and Communication Outlets. This is an addition to Denys Lasdun & Partners drawing number 552/01/3011 issue A: Upper Theatre and Offices Group Grids E-L Plan at Level 59.25. |
| Extent | 2 drawings |
| Series | Theatre Projects Consultants Ltd (Denys Lasdun & Partners) Drawings |