| Reference Number | TPC/5/2/127/1 |
| Title | National Theatre Small Speaker Installation |
| Level | Item |
| Date | 04 July 1972 |
| Description | Theatre Projects Consultants Ltd (preliminary) drawing number 904/343 (sheet 1 of 2). Drawn by S E; designed by R G B. |
| Extent | 1 drawing |
| Series | Theatre Projects Consultants Ltd Drawings |