51. Digital Test Interchange Format (DTIF). (31st May 2013) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (112 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
52. DTE/DCE interface connectors and pin assignments. Specification for 25-pin connector (ISO DIS 2110 and DAD 1) Part 1, (31st July 1985) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (17 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
53. Electrical installations for open-cast mines and quarries. General recommendations for protection against direct contact and electric shock Part 2, (30th September 1988) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (26 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
54. Essential oils. Determination of acid value by two titration methods, manual and automatic. (25th January 2023) 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) ↗
55. Evaluating particulate contamination of hydraulic fluids. Method of calibrating liquid automatic particle-count instruments (using AC Fine Test Dust contaminant) Part 2, (15th June 1992) 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) ↗
56. Fire detection and alarm systems in buildings. Code of practice for installation and servicing Part 1, (30th April 1984) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (39 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
57. Fire detection and fire alarm systems. Introduction Part 1, (15th December 1996) 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. Fire detection and fire alarm systems. Introduction Part 1, (29th June 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (26 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
59. Fire detection and fire alarm systems. Resettable line-type heat detectors Part 22, (26th March 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (78 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
60. Food processing machinery. Slicing machines. Safety and hygiene requirements. (9th December 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (46 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗