| Reference Number | TPC/5/6/184 |
| Title | Assembly of Limit Switch - Safety Rail Drive |
| Level | Item |
| Date | 13 December 1979 |
| Description | Mole-Richardson (Stage & Studio Engineering) Ltd drawing number D14/439. Drawn by D M. |
| Extent | 1 drawing |
| Series | Mole-Richardson (Stage & Studio Engineering) Ltd Drawings |