1. Controllers with analogue signals for use in industrial-process control systems. Guidance for inspection and routine testing Part 2, (28th February 1989) 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. Methods of test and general requirements for road vehicle alternators with regulators. (29th September 1989) 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. Specification for gas heated catering equipment. Hot cupboards Part 11, (31st May 1989) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (25 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗