1. Code of practice for safe use of cranes (mobile cranes, tower cranes and derrick cranes). (20th November 1972) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (88 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Specification for derrick boom clamp. (31st July 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) ↗