1. Graphical symbols for electrical power, telecommunications and electronics diagrams. Production and conversion of electrical energy Part 6, (28th June 1985) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (20 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. BS EN 61810-7-28 Ed.1.. All-or-nothing electrical relays. Tests and Measurement. Part 7-28. Thermoelectric electromotive force (e.m.f.) (24th December 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (10 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. BS EN IEC 61810-7-28. Electrical relays. Tests and Measurement. Part 7-28. Thermoelectric electromotive force (e.m.f.) (1st June 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (10 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗