| Reference Number | TPC/5/10/109 |
| Title | National Theatre Electrical Layout Olivier Theatre Drum Revolve Pit Isolator Details |
| Level | Item |
| Date | 05 June 1978 |
| Description | Crown House Engineering Ltd drawing number 904/794/R sheet 3 of 4. Drawn by R W. |
| Extent | 1 drawing |
| Series | Crown House Engineering Ltd (Theatre Projects Consultants Ltd) Drawings |