21. Draft BS EN 1793-2. Road traffic noise reducing devices. Test method for determining the acoustic performance. Part 2: Intrinsic characteristics of airborne sound insulation under diffuse sound field conditions (24th August 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (25 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
22. Draft BS EN 1793-3. Road traffic noise reducing devices. Test method for determining the acoustic performance. Part 3. Normalized traffic noise spectrum (30th August 2023) 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) ↗
23. Draft BS EN 1793-5. Road traffic noise reducing devices. Test method for determining the acoustic performance. Part 5: Intrinsic characteristics. In situ values of sound reflection under direct sound field conditions (24th August 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (74 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
24. Guide to selection and use of elastomeric bearings for vibration isolation of buildings. (26th February 1982) 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) ↗
25. Hearing protectors. Safety requirements. Active noise reduction earmuffs Part 5, (1st December 2020) 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) ↗
26. Hearing protectors. Safety requirements. Level-dependent earmuffs Part 4, (24th November 2020) 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. Measurement of sound insulation in buildings and of building elements. Laboratory measurements of the reduction of transmitted impact noise by floor coverings on a standard floor Part 8, (30th June 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) ↗
28. Methods of test for silencers for air distribution systems. (22nd April 1971) 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) ↗
29. Noise measurement method on power capacitors. (7th December 2021) 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) ↗
30. Road traffic noise reducing devices. Non-acoustic performance. General safety and environmental requirements Part 2, (20th May 2020) 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) ↗