31. Respiratory protective devices: threads for facepieces. Centre thread connection Part 2, (15th July 1999) 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) ↗
32. Respiratory protective devices: threads for facepieces. Specification for centre thread connection Part 2, (28th September 1990) 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) ↗
33. Respiratory protective devices: threads for facepieces. Specification for standard thread connection Part 1, (28th September 1990) 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) ↗
34. Respiratory protective devices: threads for facepieces. Standard thread connection Part 1, (15th July 1999) 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) ↗
35. Rolled threads for bolts. Lead and runout requirements. (15th July 1993) 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) ↗
36. Specification for dimensions of aerospace fluid system port connection, seal and fitting end. (15th August 1993) 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) ↗
37. Specification for drain fill and level plugs for earth-moving machinery. (30th January 1987) 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) ↗
38. Specification for screw thread finishes for plastics containers. (31st October 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) ↗
39. Specification for screw thread measuring cylinders. (17th August 1964) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (16 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
40. Specification for screw thread metric series measuring cylinders. (31st May 1978) 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) ↗