1. Specification for pitch-impregnated fibre pipes and fittings for below and above ground drainage. (30th June 1978) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (27 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Methods. Sampling and testing mastic asphalt and pitchmastic used in building. (30th January 1976) 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) ↗