1. BS EN IEC 62127-1. Ultrasonics. Hydrophones. Part 1. Measurement and characterization of medical ultrasonic fields up to 40 MHz (18th September 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (99 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Low-voltage switchgear and controlgear. Control circuit devices and switching elements. Proximity switches Part 5-2, (2nd April 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (140 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. Non-destructive testing. Characterization and verification of ultrasonic test equipment. Combined equipment Part 3, (3rd 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) ↗
4. Non-destructive testing. Characterization and verification of ultrasonic test equipment. Instruments Part 1, (19th August 2020) 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) ↗
5. Tracked Changes. Non-destructive testing. Characterization and verification of ultrasonic test equipment. Instruments Part 1, (26th August 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (122 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗