11. Specification for pressed steel gutters, rainwater pipes, fittings and accessories. (4th December 1963) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (22 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
12. Methods of testing plastics. Thermoplastics pipes, fittings and valves. Tensile properties of dumb-bell specimens from PVC gutter profiles of pipes for non-pressure applications Part 11, (29th September 1989) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (4 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗