1. Specification for gas governors. Independent governors for inlet pressures up to 350 mbar Part 2, (16th August 1972) 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) ↗
2. Specification for voltage transformers. (29th August 1975) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (40 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗