| Reference Number | TPC/5/10/139 |
| Title | National Theatre Electrical Layout Lyttelton Theatre Trunking PLB 6 and 7 |
| Level | Item |
| Date | c 1979 |
| Description | Crown House Engineering Ltd drawing number 904/7115/R sheet number 2. Drawn by D P G. |
| Extent | 1 drawing |
| Series | Crown House Engineering Ltd (Theatre Projects Consultants Ltd) Drawings |