| Reference Number | TPC/3/6/28 |
| Title | New Piston Details (Elevator Lock Cyl's |
| Level | Item |
| Date | 07 January 1977 |
| Description | Mole-Richardson (Stage & Studio Engineering) Ltd drawing number D14-252 issue C. Drawn by [S W]. Works number 2815. Used on D 14/198 issue B. |
| Extent | 1 drawing |
| Series | National Theatre Drum Drawings Part 2: 1 of 2 |