1. Specification for flexible couplings for power transmission. (30th March 1972) 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) ↗
2. Specification for lifts, escalators, passenger conveyors and paternosters. General requirements for guarding Part 10, (30th November 1972) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (10 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗