| Reference Number | TPC/5/2/107 |
| Title | National Theatre Working Light System Switchboard TP3 |
| Level | File |
| Date | 1974 |
| Description | Theatre Projects Consultants Ltd drawing number 904/259 unnumbeed issues, issue A and issue 2. |
| Extent | 6 drawings |
| Series | Theatre Projects Consultants Ltd Drawings |