| Reference Number | TPC/5/2/128 |
| Title | National Theatre Small Speaker Installation |
| Level | Item |
| Date | 06 July 1972 |
| Description | Theatre Projects Consultants Ltd drawing number 904/343 sheet 2 of 2. Drawn by R G B/S E[ldridge]. |
| Extent | 1 drawing |
| Series | Theatre Projects Consultants Ltd Drawings |