| Reference Number | TPC/5/6/45 |
| Title | Chain Anti-Slack Device for Elevator Out-Riggers (Side Tower Positions Only) New National Theatre |
| Level | File |
| Date | 30 May 1972-05 September 1972 |
| Description | Mole-Richardson (Stage & Studio Engineering) Ltd drawing number D.14/95, unnumbered issue and issue A. |
| Extent | 2 drawings |
| Series | Mole-Richardson (Stage & Studio Engineering) Ltd Drawings |