211. Specification for optical performance of reflective agents for use in high-visibility garments and accessories. (28th February 1974) 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) ↗
212. Specification for personal eye-protectors used for adjustment work on lasers and laser systems. (15th January 1994) 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) ↗
213. Specification for pre-recorded optical reflective videodisks for 50 Hz/625 lines CCIR monochrome and colour coding PAL systems. (1st December 1990) 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) ↗
214. Specification for quantities, units and symbols. Light and related electromagnetic radiations Part 6, (15th March 1993) 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) ↗
215. Specification for quantities, units and symbols. Light and related electromagnetic radiations Part 6, (1st July 1989) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (17 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
216. Specification for red and green filters used in ophthalmic dichromatic and dissociation tests. (9th October 1963) 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) ↗
217. Specification for reference wavelengths for optics and optical instruments. (30th November 1988) 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) ↗
218. Specification for road vehicle safety glass. (28th November 1980) 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) ↗
219. Specification for road vehicle safety glass. (31st January 1977) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (6 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
220. Specification for thick PVC sheeting (calendered, flexible, unsupported). (28th February 1975) 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) ↗