51. Specification for radio disturbance and immunity measuring apparatus and methods. Radio disturbance and immunity measuring apparatus Part 1, (15th December 1998) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (134 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
52. Specification for self-aligning air flow angle transmitters for use on aircraft. (29th June 1984) 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) ↗
53. Standardization of interconnections between broadcasting transmitters or transmitter systems and supervisory equipment. Interface standards for systems using data bus type interconnections Part 2, (15th October 1997) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (44 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
54. The use of electronic valves. (28th November 1962) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (54 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
55. Tracked Changes. Basic standard for the in-situ assessment of exposure to radio frequency electromagnetic fields in the vicinity of a broadcast site. (22nd March 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) ↗
56. Tracked Changes. Fibre optic active components and devices. Performance standards. 1 300 nm fibre optic transceivers for Gigabit Ethernet application Part 4, (3rd March 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) ↗
57. Tracked Changes. Fibre optic active components and devices. Performance standards. Modulator-integrated laser diode transmitters for 40-Gbit/s fibre optic transmission systems Part 3, (12th September 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (54 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
58. Transmission of audio and/or video and related signals using infra-red radiation. Video and audio-visual signals Part 6, (29th July 2002) 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) ↗
59. Transmitters for use in industrial-process control systems. Methods for performance evaluation Part 1, (15th June 1999) 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) ↗
60. Vehicles, motorboats and spark-ignited engine-driven devices. Radio disturbance characteristics. Limits and methods of measurement. (15th April 1999) 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) ↗