| Reference Number | TPC/5/2/115/1 |
| Title | National Theatre Foyer Lighting. Circuits Type Z. Dimmer Level and Switching |
| Level | Item |
| Date | 01 August 1974 |
| Description | Theatre Projects Consultants Ltd drawing number 904/268 W issue 3. Drawn by J P. Original date 05 April 1974. |
| Extent | 1 drawing |
| Series | Theatre Projects Consultants Ltd Drawings |