| Reference Number | TPC/5/2/148/1 |
| Title | National Theatre Electrical Layout Legend and Symbol Sheet |
| Level | Item |
| Date | 21 December 1973 |
| Description | Theatre Projects Consultants Ltd drawing number 904/700 rev 1 (issue 3). Drawn by R G B. Original date 9 November 1972. |
| Extent | 1 drawing |
| Series | Theatre Projects Consultants Ltd Drawings |