41. Consumable accessories for light microscopes. Slides. Specification for dimensions and optical properties Part 2.1, (28th February 1989) 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. Consumable accessories for light microscopes. Cover glasses. Specification for dimensions and optical properties Part 3.1, (28th February 1989) 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) ↗
43. 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) ↗
44. Consumable accessories for light microscopes. Immersion oils. Specification for immersion oils for general use Part 1-1.1, (28th February 1989) 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) ↗
45. Rubber latices. Methods of test. Determination of bound styrene content of non-reinforced styrene butadiene rubber latices Part 3.17, (31st August 1990) 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) ↗
46. Specification for crude vegetable fats. (30th April 1990) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (10 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
47. Methods of testing plastics. Optical and colour properties, weathering. Determination of refractive index of transparent plastics Part 5, (1st April 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) ↗
48. Specification for test methods for transparent materials for aircraft glazing. Determination of refractive index Part 3, (15th April 1993) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (10 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
49. Aircraft de-icing/anti-icing Newtonian fluids, ISO type I. (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) ↗
50. Methods of analysis of fats and fatty oils. Physical methods. Determination of refractive index Part 1.2, (15th March 1996) 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) ↗