1. Specification for high pressure mercury vapour lamps. (30th July 1982) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (35 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Specification for high-pressure sodium vapour lamps. (28th September 1990) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (47 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. Specification for low pressure sodium vapour lamps. (13th December 1990) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (2 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
4. Arc welding equipment. Arc striking and stabilizing devices Part 3, (15th November 2019) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (28 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗