1. Arc welding power sources, equipment and accessories. Specification for air cooled power sources for manual metal-arc welding with covered electrodes and for TIG welding Part 2, (31st July 1979) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (20 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Specification for mobile, manually operated patient-lifting devices. (31st December 1979) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (12 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. Specification for standard direction of motion of hand operated control devices of reciprocating internal combustion engines. (31st January 1979) 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) ↗