61. Ophthalmic optics. Contact lenses. Determination of shelf-life. (15th February 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) ↗
62. Packaging materials and systems for medical devices which are to be sterilized. Re-usable sterilization containers for steam sterilizers conforming to EN 285. Requirements and test methods Part 8, (15th November 1999) 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) ↗
63. Photography. Processed silver-gelatin type black-and-white film. Specifications for stability. (15th May 1995) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (24 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
64. Photography. Thermally processed silver microfilm. Specifications for stability. (15th November 1999) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (24 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
65. Physical testing of rubber. Heat resistance and accelerated ageing tests Part A19, (31st December 1986) 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) ↗
66. Physical testing of rubber. Methods for exposure to artificial light, for use in determining resistance to weathering Part A54, (28th February 1989) 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) ↗
67. Plastics. Methods of exposure to direct weathering, to weathering using glass-filtered daylight, and to intensified weathering by daylight using Fresnel mirrors. (15th August 1996) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (28 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
68. Plastics. Polypropylene and propylene-copolymers. Determination of thermal oxidative stability in air. Oven method. (18th September 2019) 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) ↗
69. Processed photographic film for archival records. Specifications for silver-gelatin type on cellulose ester base Part 1, (28th February 1979) 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) ↗
70. Reference conditions and procedures for testing industrial and process measurement transmitters. General procedures for all types of transmitters Part 1, (24th May 2018) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (92 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗