1. Acoustics. Preferred frequencies. (15th November 1997) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (14 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Preferred numbers and preferred sizes (extracted from PD 6481:1977). (15th August 1977) 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) ↗
3. Preferred numbers. (10th August 1965) 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) ↗
4. Recommendations for the use of preferred numbers and preferred sizes. (30th June 1977) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (9 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
5. Specification for short pitch transmission precision roller chains and chainwheels. (29th June 1984) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (18 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
6. Textile machinery. Dyeing and finishing machines. Nominal speeds. (15th April 1993) 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) ↗