1. Specification for portable photoelectric photometers. (29th February 1968) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (15 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Recommendations for photometric integrators. (15th December 1995) 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) ↗
3. Specification for illuminance meters. (15th October 1996) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (14 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
4. Plastics. Determination of the total luminous transmittance of transparent materials. Single-beam instrument Part 1, (15th January 1997) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (14 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
5. Surface active agents. Colorimetric characterization of optically clear coloured liquids (products) as X, Y, Z tristimulus values in transmission. (15th May 1997) 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) ↗