| Reference Number | TPC/5/10/11 |
| Title | National Theatre Electrical Layout Olivier Theatre Level 38.00 and 39.00 Working Light System |
| Level | Item |
| Date | c 1978 |
| Description | Crown House Engineering Ltd drawing number 904/223/R sheet 1. |
| Extent | 1 drawing |
| Series | Crown House Engineering Ltd (Theatre Projects Consultants Ltd) Drawings |