41. Road lighting. Road lighting. Code of practice for lighting for roads near aerodromes, railways, docks and navigable waterways Part 8, (15th August 1992) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (8 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
42. Road marking materials. Retroreflecting road studs. Initial performance requirements Part 1, (31st January 2022) 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) ↗
43. Road marking materials. Retroreflecting road studs. Road test performance specifications Part 2, (19th May 2021) 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) ↗
44. Safety of laser products. Safety of laser products with optical sources, exclusively used for visible information transmission to the human eye Part 6, (15th October 1999) 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) ↗
45. Semiconductor devices: discrete devices and integrated circuits. Discrete devices. Recommendations for optoelectronic devices Part 1-1.5, (30th August 1985) 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) ↗
46. Specification for capability approval of light emitting and infra-red diode arrays of assessed quality: generic data and methods of test. (28th February 1983) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (42 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
47. Specification for luminance meters. (15th August 1998) 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) ↗
48. Specification for road danger lamps. Low intensity battery operated lamps Part 2, (31st October 1973) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (11 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
49. Tracked Changes. Dentistry. Operating lights. (6th December 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (70 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
50. Tracked Changes. Luminaire performance. Particular requirements. LED luminaires Part 2-1, (20th March 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) ↗