| Reference Number | TPC/3/6/4 |
| Title | Assembly and Details of Counterweight Guide Arrangement for Back Towers New National Theatre |
| Level | Item |
| Date | 19 January 1972 |
| Description | Mole-Richardson (Stage & Studio Engineering) Ltd drawing number D.14/63. Works number 2815. |
| Extent | 1 drawing |
| Series | National Theatre Drum Drawings Part 2: 1 of 2 |