| Reference Number | TPC/5/6/99 |
| Title | Electrical Schematic Loading Platforms and Disc to Drum Locks and Clamps |
| Level | Item |
| Date | 13 November 1974 |
| Description | Mole-Richardson (Stage & Studio Engineering) Ltd drawing number D14/211 issue D. Drawn by S W. Works number 2815/116. Original date 12 February 1974. |
| Extent | 1 drawing |
| Series | Mole-Richardson (Stage & Studio Engineering) Ltd Drawings |