1. Specification for safety of household and similar electrical appliances. Complete particular specifications. Mains-operated toothbrushes Part 3-3.11, (1st December 1981) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (37 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Specification for safety of household and similar electrical appliances. Complete particular specifications. Sewing machines Part 3-3.24, (30th September 1981) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (46 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗