501. Inland navigation vessels. Boarding stairs. (10th February 2023) 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) ↗
502. Precast concrete products. Normal weight and lightweight concrete shuttering blocks. Product properties and performance. (30th June 2008) 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) ↗
503. Materials for printed boards and other interconnecting structures. Reinforced base materials clad and unclad. Non-halogenated epoxide non-woven/woven E-glass reinforced laminate sheets of thermal conductivity (1.5W/m K) and defined flammability (vertical burning test), copper-clad for lead-free assembly Part 2-46, (16th April 2018) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (28 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
504. Nuclear instrumentation. Photomultiplier tubes for scintillation counting. Test procedures. (30th September 2010) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (28 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
505. Fire hazard testing. Guidance on the different levels of power and energy related to the probability of ignition and fire in low voltage electrotechnical products Part 1-14, (4th January 2018) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (18 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
506. BS ISO 23958-1. Traditional Chinese Medicine. Dermal needle for single use. Part 1. Tapping type (30th April 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (17 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
507. BS IEC 63143. Electroacoustics. Modular instrumentation for acoustic measurement. (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) ↗
508. Water-source heat pumps. Testing and rating for performance. Water-to-air and brine-to-air heat pumps Part 1, (11th May 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (56 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
509. BS ISO 24416. Water reuse in urban areas. Guidelines for water reuse safety evaluation: Stability evaluation of reclaimed water. (5th May 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (45 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
510. Water-source heat pumps. Testing and rating for performance. Water-to-water and brine-to-water heat pumps Part 2, (11th May 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) ↗