11. BS EN 4876. Aerospace series. Environmental testing. Durability of the displays by general usage. (1st April 2021) 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) ↗
12. Measurement of radioactivity in the environment. Air: radon-222. Determination of the diffusion coefficient in waterproof materials: membrane one-side activity concentration measurement method Part 12, (22nd April 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (36 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
13. Environmental testing. Tests. Test Ka: Salt mist Part 2-11, (22nd April 2021) 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) ↗
14. Type F and type B residual current operated circuit-breakers with and without integral overcurrent protection for household and similar uses. (29th April 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (52 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
15. BS EN 14487-1. Sprayed concrete. Part 1. Definitions, specifications and conformity (22nd April 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (44 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
16. BS EN 13630-8. Explosives for civil uses. Detonating cords and safety fuses. Part 8. Determination of resistance to water of detonating cords and safety fuses (22nd April 2021) 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) ↗
17. BS EN 13763-8. Explosives for civil uses. Detonators and detonating cord relays. Part 8. Determination of the resistance to vibration (22nd April 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (13 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
18. Environmental testing. Tests. Test M: Low air pressure Part 2-13, (26th April 2021) 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) ↗
19. BS EN 50131-2-3. Alarm systems. Intrusion and hold-up systems. Part 2-3. Requirements for microwave detectors (30th April 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (48 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
20. Environmental testing. Tests. Test Z/AD: Composite temperature/humidity cyclic test Part 2-38, (7th May 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) ↗