1. Cinematography. Production and presentation. Film and television location lighting. Code of practice for distribution of a.c. electricity for location lighting Part 7.5.1, (30th April 1981) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (16 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. Portable immersion heaters Part 3.21, (27th February 1981) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (48 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. 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) ↗