51. Reciprocating internal combustion engines. Exhaust emission measurement. Test-bed measurement systems of gaseous and particulate emissions Part 1, (26th June 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (162 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
52. BS EN 17528. Clothing. physiological effects. Measurement of water vapour resistance by means of a sweating manikin. (11th June 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (25 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
53. Vehicle parking control equipment. Requirements and test methods for a parking terminal. (8th July 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (68 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
54. BS EN IEC 61812-1. Time relays for industrial and residential use. Part 1. Requirements and tests (7th July 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (63 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
55. Imaging materials. Processed colour photographs. Methods for measuring thermal stability. (21st August 2020) 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) ↗
56. BS EN 14978 AMD1. Laminate floor coverings. Elements with acrylic based surface layer, electron beam cured. Specifications, requirements and test methods. (16th July 2020) 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) ↗
57. Mineral and sapphire watch-glasses. Anti-reflective treatment Part 4, (24th August 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (22 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
58. BS ISO 24353 AMD1. Hygrothermal performance of building materials and products. Determination of moisture adsorption/desorption properties in response to humidity variation. (11th September 2008) 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) ↗
59. Tracked Changes. Air filters for general ventilation. Conditioning method to determine the minimum fractional test efficiency Part 4, (21st December 2022) 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) ↗
60. Professional video storage equipment. Guideline of time code transmission. (31st May 2013) 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) ↗