11. Thermostatic radiator valves. Specification for dimensions and details on connection. (1st April 1992) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (10 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
12. Tracked Changes. Sanitary tapware. General specifications for aerators. (13th September 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (58 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗