| Reference Number | TPC/5/2/107/2 |
| Title | National Theatre Working Light System Switchboard TP3 |
| Level | File |
| Date | 18 July 1974 |
| Description | Theatre Projects Consultants Ltd drawing number 904/259W issue 2. Drawn by R O Z. Original date 23 April 1974. Two copies, one annotated. |
| Extent | 2 drawings |
| Series | Theatre Projects Consultants Ltd Drawings |