61. Specification for voltage transformers. (15th February 1993) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (60 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
62. Tracked Changes. Railway applications. Fixed installations. Electrical safety, earthing and the return circuit. Protective provisions against electric shock Part 1, (29th September 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (272 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗