21. Optics and photonics. Environmental test methods. Mechanical stress Part 3, (2nd October 2020) 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) ↗
22. Optics and photonics. Environmental test methods. Mechanical stress Part 3, (7th June 2022) 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) ↗
23. Processed photographic film for archival records. Specifications for silver-gelatin type on poly(ethylene terephthalate) base Part 2, (28th February 1979) 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) ↗
24. Road restraint systems. Terminology and general criteria for test methods Part 1, (15th September 1998) 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. Road restraint systems. Terminology and general criteria for test methods Part 1, (31st August 2010) 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) ↗
26. Secondary batteries for aircraft. Specification for lead-acid batteries Part 1, (28th September 1990) 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) ↗
27. Specification for general requirements for equipment for use in aircraft. All equipment. Environmental conditions. Acceleration requirements Part 2.3.6, (14th June 1972) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (10 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
28. Specification for radio interference suppression filters of assessed quality: generic data and methods of test. (29th February 1988) 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) ↗
29. Summaries of test methods for environmental testing of electrotechnical products. (28th February 1989) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (54 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
30. Tracked Changes. Optics and photonics. Environmental test methods. Mechanical stress Part 3, (13th June 2022) 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) ↗