51. Non-destructive testing. Infrared thermographic testing. General principles for thermoelastic stress measuring method. (19th November 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (18 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
52. Optics and optical instruments. Reference wavelengths. (15th August 1998) 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) ↗
53. Performance of buildings. Detection of heat, air and moisture irregularities in buildings by infrared methods. General procedures Part 1, (18th August 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (50 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
54. Photobiological safety of lamps and lamp systems. Guidance on manufacturing requirements relating to non-laser optical radiation safety Part 2, (6th August 2009) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (50 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
55. Photobiological safety of lamps and lamp systems. Guidelines for the safe use of intense pulsed light source equipment on humans Part 3, (20th January 2015) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (34 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
56. Photography. Processing chemicals. Specification for hydroquinone. (15th March 1995) 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) ↗
57. Photography. Processing chemicals. Specifications for 1-phenyl-3-pyrazolidinone. (15th March 1995) 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) ↗
58. Photography. Processing chemicals. Specifications for benzotriazole. (15th April 1995) 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) ↗
59. Plastics. Ethylene/vinyl acetate copolymer (EVAC) thermoplastics. Determination of vinyl acetate content. (8th March 2022) 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) ↗
60. Safety in installations for electroheating and electromagnetic processing. General requirements Part 1, (8th June 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (108 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗