| Reference Number | TPC/5/2/107/1 |
| Title | National Theatre Working Light System Switchboard TP3 |
| Level | Item |
| Date | 04 June 1974 |
| Description | Theatre Projects Consultants Ltd drawing number 904/259.W issue A. Original date 23 April 1974. |
| Extent | 1 drawing |
| Series | Theatre Projects Consultants Ltd Drawings |