1. Acoustics. Determination of acoustic properties in impedance tubes. Two-microphone technique for normal sound absorption coefficient and normal surface impedance Part 2, (11th October 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (40 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Acoustics. Determination of sound absorption coefficient and impedance in impedance tubes. Transfer-function method Part 2, (11th April 2002) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (32 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. BS EN 12952-8. Water-tube boilers and auxiliary installations. Part 8. Requirements for firing systems for liquid and gaseous fuels for the boiler (24th February 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (34 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
4. BS EN 308. Heat exchangers. Test procedures for establishing performance of air to air and flue gases heat recovery devices. (28th May 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (83 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
5. BS EN 88-1. Pressure regulators and associated safety devices for gas appliances. Part 1. Pressure regulators for inlet pressures up to and including 50 kPa (7th May 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (62 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
6. BS EN IEC 60728-101-1. RF cabling for two-way home networks with all-digital channels load. (19th March 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (64 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
7. BS EN IEC 60728-101-2. Performance requirements for signals delivered at the system outlet in operation with all-digital channels load. (19th 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) ↗
8. BS EN IEC 61747-30-1. Liquid crystal display devices. Part 30-1. Measuring methods for liquid crystal display modules. Transmissive type (3rd December 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (47 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
9. BS ENISO 11146-2. Lasers and laser-related equipment. Test methods for laser beam widths, divergence angles and beam propagation ratios. Part 2. General astigmatic beams (1st May 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (23 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
10. BS ISO 8543. Textile floor coverings. Methods for determination of mass. (18th September 2019) 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) ↗