1. BS ISO 9211-3. Optics and photonics. Optical coatings. Part 3. Environmental durability (26th May 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (22 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Specification for general requirements for equipment for use in aircraft. All equipment. Environmental conditions. Salt mist Part 2.3.8, (14th June 1972) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (6 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. Specification for design and performance requirements for toggle type panel fasteners. (31st March 1970) 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) ↗
4. Environmental testing. Test methods. Test L. Dust and sand Part 2-68, (15th September 1996) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (54 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗