21. Ophthalmic optics. Contact lenses and contact lens care products. Guidance for clinical investigations. (15th October 1998) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (24 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
22. Pneumatic fluid power. Cylinders with detachable mountings, 1 000 kPa 10 bar series, bores from 32 mm to 320 mm. Basic, mounting and accessories dimensions. (19th November 2004) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (26 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
23. Pneumatic fluid power. Single rod cylinders, 1000 kPa (10 bar) series, with detachable mountings, bores from 32 mm to 320 mm. Mounting dimensions. (15th November 1995) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (20 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
24. Power transformers. Power transformer and reactor fittings. Electric pumps for transformers Part 22-5, (12th March 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (30 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
25. Printed wiring boards. Guide for the assembly of printed wiring boards Part 20, (30th April 1984) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (26 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
26. Railway rolling stock material (metric). Specification for wheelsets for traction and trailing stock Part 6, (31st October 1980) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (12 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
27. Road vehicles. Roof load carriers. (6th March 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (58 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
28. Road vehicles. Spin-on fuel filters for diesel engines. Mounting and connecting dimensions. (15th November 1998) 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) ↗
29. Specification for clothing for protection against intense heat for short periods. (17th December 1970) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (29 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
30. Specification for dog muzzles. (15th May 1993) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (12 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗