71. Specification for photographic grade 1-phenyl-3-pyrazolidinone (Phenidone). (28th April 1978) 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) ↗
72. Specification for photographic grade benzotriazole. (28th April 1978) 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) ↗
73. Specification for photographic grade hydroquinone (p-dihydroxybenzene). (28th April 1978) 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) ↗
74. Specification for rubber materials for seals and diaphragms for gas appliances and gas equipment. (15th May 1995) 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) ↗
75. Specification for safety of household and similar electrical appliances. Particular requirements. Ultra-violet and infra-red radiation skin treatment appliances for household and similar use Part 202-202.27, (15th October 1993) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (38 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
76. Specification for safety of household and similar electrical appliances. Particular requirements. Ultra-violet and infra-red radiation skin treatment appliances for household use Part 102-102.27, (30th April 1987) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (7 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
77. Thermal imaging cameras : characteristics and performance /: characteristics and performance. (©2009) Other Names: Williams, T. L, 1933- Record Type: Book Extent: 1 online resource (xx, 218 pages), illustrations View Content: Available online (eLD content is only available in our Reading Rooms) ↗
78. Thermal performance of buildings. Qualitative detection of thermal irregularities in building envelopes. Infrared method. (15th March 1999) 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) ↗
79. Tracked Changes. Medical electrical equipment. Particular requirements for the basic safety and essential performance of infant radiant warmers Part 2-21, (23rd November 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (116 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
80. Tracked Changes. Performance of buildings. Detection of heat, air and moisture irregularities in buildings by infrared methods. General procedures Part 1, (7th September 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (116 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗