| Reference Number | TPC/5/10/137 |
| Title | National Theatre Electrical Layout Lyttelton Theatre Induction Loop Conduit Layout Level 91.00 |
| Level | Item |
| Date | 28 April 1978 |
| Description | Crown House Engineering Ltd drawing number 904/7114/R. Drawn by D P G. |
| Extent | 1 drawing |
| Series | Crown House Engineering Ltd (Theatre Projects Consultants Ltd) Drawings |