| Reference Number | TPC/5/10/121 |
| Title | National Theatre Electrical Layout Olivier Theatre Matrix Room |
| Level | Item |
| Date | 12 July 1978 |
| Description | Crown House Engineering Ltd drawing number 904/7106R. Drawn by A M S. |
| Extent | 1 drawing |
| Series | Crown House Engineering Ltd (Theatre Projects Consultants Ltd) Drawings |