| Reference Number | TPC/3/6/8 |
| Title | Adjustable Mounting Brackets for Side Tower Chain Sprockets New National Theatre |
| Level | Item |
| Date | 04 April 1972 |
| Description | Mole-Richardson (Stage & Studio Engineering) Ltd drawing number D.14/82. |
| Extent | 1 drawing |
| Series | National Theatre Drum Drawings Part 2: 1 of 2 |