| Reference Number | TPC/5/6/300 |
| Title | Quick Release Locks for Quickly Detachable Handrail Sections |
| Level | Item |
| Date | 05 June 1973 |
| Description | Mole-Richardson (Stage & Studio Engineering) Ltd drawing number D18-163. Works number 3090. |
| Extent | 1 drawing |
| Series | Mole-Richardson (Stage & Studio Engineering) Ltd Drawings |