| Reference Number | TPC/5/12/2 |
| Title | Dimmer Room Layout National Upper Theatre |
| Level | Item |
| Date | 23 March 1974 |
| Description | Rank Strand Electric Ltd drawing number 1A13272 issue B sheet 1 of 2. Drawn by R J Leggatt. Original date 6 December 1973. |
| Extent | 1 drawing |
| Series | Rank Strand Electric Ltd Drawings |