| Reference Number | TPC/5/10/175 |
| Title | National Theatre Electrical Layout Foyer Lighting, Control Room, Equipment Layout |
| Level | Item |
| Date | 17 April 1974 |
| Description | Crown House Engineering Ltd drawing number 904/7140/R. Drawn by D J P. |
| Extent | 1 drawing |
| Series | Crown House Engineering Ltd (Theatre Projects Consultants Ltd) Drawings |