1. Safety of electrical commercial catering equipment. Specification for ranges, ovens and hob elements Part 1, (31st December 1979) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (80 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Specification for pulse modulator hydrogen thyratron tubes of assessed quality: generic data and methods of test. (28th February 1979) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (39 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗