| Reference Number | TPC/5/3/12/3 |
| Title | Sound and Communications Outlets; National Theatre Upper Theatre and Offices Group Grids E-L Plan at Level 49.00 |
| Level | Item |
| Date | 01 August 1971 |
| Description | Theatre Projects Consultants Ltd drawing number 904/307 issue 2: Sound and Communications Outlets. Drawn by D Col . Original date 23 March 1970. This is an addition to Denys Lasdun & Partners drawing number 552/01/3009 issue G: National Theatre Upper Theatre and Offices Group Grids E-L Plan at Level 49.00. Most recent revision 26 May 1971. Original date 8 August [1969]. Drawing information has been crossed out. |
| Extent | 1 drawing |
| Series | Theatre Projects Consultants Ltd (Denys Lasdun & Partners) Drawings |