1. Cinematography. 16 mm film. Raw stock. Specification for dimensions of 16 mm motion-picture film Part 2.1.1, (1st September 1980) 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) ↗
2. 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) ↗