1. Methods for sampling and testing of lightweight aggregates for concrete. Metric units Part 2, (3rd October 1973) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (18 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Methods for the thermal testing of domestic solid fuel burning appliances. Flue loss method Part 1, (28th September 1973) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (40 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗