| Reference Number | TPC/5/4/543/1 |
| Title | Duct Space by G. L. 5 Plans Sections and Elevation |
| Level | Item |
| Date | 18 August 1975 |
| Description | Denys Lasdun & Partners drawing number 552/03/3816 issue B. Original date 1 July 1975. |
| Extent | 1 drawing |
| Series | Denys Lasdun & Partners Drawings |