1. Specification for carbon steel wire for zigzag and square-form springs. (22nd October 1970) 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) ↗
2. Specification for high carbon bright steel (silver steel). (31st March 1970) 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) ↗
3. Specification for single point cutting tools. Shank sections Part 1, (10th July 1970) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (8 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗