| Reference Number | TPC/5/10/184 |
| Title | National Theatre Electrical Layout 115.00 Level Masking Screen Carcass Details |
| Level | Item |
| Date | 19 June 1978 |
| Description | Crown House Engineering Ltd drawing number 904/7151/R. Drawn by A M S. |
| Extent | 1 drawing |
| Series | Crown House Engineering Ltd (Theatre Projects Consultants Ltd) Drawings |