81. Specification for retroreflecting number plates. (31st May 1989) 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) ↗
82. Suspended ceilings. Requirements and test methods. (31st May 2014) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (134 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
83. Tracked Changes. Anodizing of aluminium and its alloys. Measurement of specular reflectance and specular gloss of anodic oxidation coatings at angles of 20°, 45°, 60° or 85°. (28th September 2021) 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) ↗
84. Tracked Changes. Furniture. Assessment of the surface reflectance. (25th May 2023) 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) ↗
85. Tracked Changes. Health and safety in welding and allied processes. Transparent welding curtains, strips and screens for arc welding processes. (26th May 2023) 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) ↗
86. Tracked Changes. Light and lighting. Lighting of work places. Indoor work places Part 1, (24th November 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (176 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
87. Tracked Changes. Optics and photonics. Measurement of reflectance of plane surfaces and transmittance of plane parallel elements. (21st June 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (66 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
88. Tracked Changes. Paper and board. Determination of colour by diffuse reflectance. Indoor daylight conditions (C/2°) Part 1, (3rd November 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (46 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
89. Tracked Changes. Paper and board. Determination of colour by diffuse reflectance. Indoor illumination conditions (D50/2°) Part 3, (3rd November 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (46 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
90. Tracked Changes. Paper and board. Determination of colour by diffuse reflectance. Outdoor daylight conditions (D65/10°) Part 2, (3rd November 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (46 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗