| Reference Number | TPC/5/10/111 |
| Title | National Theatre Electrical Layout Details of Control Boxes |
| Level | Item |
| Date | 10 July 1978 |
| Description | Crown House Engineering Ltd drawing number 904/795/R. Drawn by R W. |
| Extent | 1 drawing |
| Series | Crown House Engineering Ltd (Theatre Projects Consultants Ltd) Drawings |