| Reference Number | TPC/5/10/171 |
| Title | National Theatre Electrical Layout Olivier Theatre Details of Control Room Links - Balcony Void |
| Level | Item |
| Date | 20 May 1978 |
| Description | Crown House Engineering Ltd drawing number 904/7134/R sheet 4 of 5. Drawn by R W. |
| Extent | 1 drawing |
| Series | Crown House Engineering Ltd (Theatre Projects Consultants Ltd) Drawings |