1. Code of practice for central heating for domestic premises. Forced circulation hot water systems Part 1, (30th April 1981) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (21 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Specification for inset open fires without convection. (30th January 1981) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (39 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗