| Reference Number | TPC/5/10/52 |
| Title | National Theatre Electrical Layout Legend and Symbols Sheet |
| Level | Item |
| Date | 17 July 1978 |
| Description | Crown House Engineering Ltd drawing number 904/700/R. Drawn by D P G. |
| Extent | 1 drawing |
| Series | Crown House Engineering Ltd (Theatre Projects Consultants Ltd) Drawings |