21. Road vehicles. M14 x 1, 25 spark plugs with conical seating and their cylinder head housings. (15th January 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. 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) ↗
23. ISO general purpose metric screw threads. General plan. (15th April 1999) 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) ↗
24. Specification for stainless steel milk pipes and fittings (recessed ring joint type). (21st December 1966) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (25 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
25. Specification for the use of high strength friction grip bolts in structural steelwork. General grade bolts Part 1, (1st December 1972) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (15 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
26. Specification for high strength friction grip bolts for structural engineering. General grade bolts Part 1, (21st October 1959) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (33 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
27. Respiratory protective devices. Gas cylinder valves. Outlet connections Part 2, (15th March 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) ↗
28. Detail specification for fixed aluminium electrolytic capacitors (type 1). Non-solid electrolyte. Cylindrical, polarized, insulated case, screw terminations at one end. Full assessment level. (31st March 1982) 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) ↗
29. Detail specification for radio frequency coaxial connectors (series SMA). 50 ohms, unsealed, soldered, centre contact, clamp outer for flexible cables, solder outer for semi-rigid cables. Control drawings. Mating face details and gauge information Part 2, (15th April 1978) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (6 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
30. MJ threads for aerospace construction. Specification for dimensions for bolts and nuts Part 2, (29th October 1982) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (9 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗