261. Water quality. Physical, chemical and biochemical methods. Method for the determination of electrical conductivity Part 2-2.35, (29th September 1989) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (8 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
262. Winding wires. Test methods. Electrical properties Part 5, (19th November 2019) 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) ↗