| Reference Number | TPC/5/2/161/4 |
| Title | National Theatre Electrical Installation Details of Switchboards |
| Level | Item |
| Date | 21 September 1973 |
| Description | Theatre Projects Consultants Ltd drawing number 904/729.6W (issue 6) sheet 1 of 2. Drawn by P O. Original date 6 September 1972. |
| Extent | 1 drawing |
| Series | Theatre Projects Consultants Ltd Drawings |