| Reference Number | TPC/5/10/28 |
| Title | National Theatre Electrical Layout Olivier Auditorium Plan of Ceiling Under Balcony |
| Level | Item |
| Date | 06 December 1978 |
| Description | Crown House Engineering Ltd drawing number 904/247/R. |
| Extent | 1 drawing |
| Series | Crown House Engineering Ltd (Theatre Projects Consultants Ltd) Drawings |