21. ISO general purpose screw threads. Basic profile. Inch screw threads Part 2, (15th April 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) ↗
22. ISO general purpose screw threads. Basic profile. Metric screw threads Part 1, (13th February 2020) 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) ↗
23. ISO general purpose screw threads. Basic profile. Metric screw threads Part 1, (15th April 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) ↗
24. Light microscopes. Specification for microscope objective and nosepiece screw threads Part 4, (28th February 1989) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (4 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
25. Light microscopes. Specification for microscope objective and nosepiece screw threads. Screw thread type RMS (4/5 in x 1/36 in) Part 4.1, (15th March 1998) 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) ↗
26. Parallel pins with internal thread, of unhardened steel or austenitic stainless steel. (15th May 1998) 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) ↗
27. Parallel pins with internal thread, unhardened. (15th October 1992) 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) ↗
28. Pipe threads where pressure tight joints are made on the threads. Taper external threads and parallel internal threads. Dimensions, tolerances and designation Part 1, (31st October 2010) 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) ↗
29. 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) ↗
30. 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) ↗