| Reference Number | TPC/5/10/183 |
| Title | National Theatre Electrical Layout Lyttelton Theatre Power Assisted Bar Wiring Diagram |
| Level | Item |
| Date | 06 December 1978 |
| Description | Crown House Engineering Ltd drawing number 904/7149/R. |
| Extent | 1 drawing |
| Series | Crown House Engineering Ltd (Theatre Projects Consultants Ltd) Drawings |