1. Guide for characteristics and performance of mechanical shock testing machines. (31st July 1990) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (16 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Specification for helical-scan video tape cassette system using 12.65 mm (0.5 in) magnetic tape on type L. (30th March 1990) 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) ↗