1. Harmonized system of quality assessment for electronic components. Generic specification: image converter and image intensifier tubes. (31st December 1980) 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) ↗
2. Methods of calibrating leak-detectors of the mass-spectrometer-type used in the field of vacuum technology. (31st March 1980) 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) ↗
3. Specification for image quality indicators for industrial radiography (including guidance on their use). (31st December 1980) 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) ↗