21. Geometrical product specification (GPS). Filtration. Linear areal filters. Gaussian filters Part 61, (24th January 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) ↗
22. Gel permeation chromatography (GPC). Tetrahydrofuran (THF) as eluent Part 1, (14th July 2020) 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) ↗
23. Resistance of clothing materials to permeation by liquids. Method for the determination of liquid permeating after breakthrough Part 2, (29th February 1988) 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) ↗
24. Scales and sizes for plotting frequency characteristics and polar diagrams. (4th September 2020) 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) ↗
25. BS EN ISO 17651-1. Simultaneous interpreting. Interpreter’s working environment. Part 1. Requirements and recommendations for permanent booths (13th February 2023) 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) ↗
26. Overhead lines. Testing of foundations for structures. (15th December 1997) 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) ↗
27. Hollow metallic waveguides. General requirements and measuring methods Part 1, (31st March 2017) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (20 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
28. Hollow metallic waveguides. Relevant specifications for ordinary rectangular waveguides Part 2, (31st March 2017) 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) ↗
29. Measuring relays and protection equipment. Functional requirements for over/under voltage protection Part 127, (28th February 2014) 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) ↗
30. BS ISO 81346-10. Industrial systems, installations and equipment and industrial products. Structuring principles and reference designations. Part 10. Power supply systems (9th June 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (51 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗