21. Cycles. Lighting and retro-reflective devices. Lighting systems not powered by the cycle's movement Part 5, (4th September 2023) 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) ↗
22. Cycles. Lighting and retro-reflective devices. Lighting systems powered by the cycle's movement Part 4, (5th September 2023) 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) ↗
23. Cycles. Lighting and retro-reflective devices. Retro-reflective devices Part 2, (4th September 2023) 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) ↗
24. Electronic displays. Generic. Practical information on the use of light measuring devices Part 1-31, (12th May 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (72 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
25. Electronic displays. Generic. Practical information on the use of light measuring devices Part 1-31, (19th April 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (78 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
26. Evaluation and routine testing in medical imaging departments. Constancy tests. Method for darkroom safelight conditions Part 2.3, (15th February 1994) 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. Eye and face protection. Sunglasses and related eyewear. Filters for direct observation of the sun Part 2, (30th April 2017) 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) ↗
28. Eye and face protection. Sunglasses and related eyewear. Sunglasses for general use Part 1, (20th September 2022) 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) ↗
29. General methods of test for pigments and extenders. Determination of relative tinting strength of coloured pigments and relative scattering power of white pigments. Photometric methods Part 24, (1st December 1995) 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) ↗
30. Glossary of electrotechnical, power, telecommunication, electronics, lighting and colour terms. Terms particular to lighting andcolour. Radiation and photometry Part 4 Group 01, (1st December 1972) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (35 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗