| Reference Number | TPC/3/6/29 |
| Title | New National Drum Revolve. Wall to Disc Clamp G. A. |
| Level | Item |
| Date | 05 May 1974 |
| Description | Mole-Richardson (Stage & Studio Engineering) Ltd drawing number D14-264. Drawn by D Cox Tryco. Works number 2815. |
| Extent | 1 drawing |
| Series | National Theatre Drum Drawings Part 2: 1 of 2 |