1. Specification for pipe wrenches. Footprint type wrenches Part 2, (22nd November 1965) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (14 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Specification for pipe wrenches. Stillson type wrenches Part 1, (2nd April 1963) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (14 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗