41. Screws with captive washers for aircraft. (31st December 1958) 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) ↗
42. Single coil spring washers for aircraft. (29th March 1957) 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) ↗
43. Specification for beryllium copper crinkle washers. (20th July 1961) 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) ↗
44. Specification for brass eyelets and washers for general purposes. (31st March 1959) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (32 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
45. Specification for control plug cocks for low-pressure gases. (30th July 1982) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (31 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
46. Specification for crinkle washers for general engineering purposes. Metric series. (15th May 1969) 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) ↗
47. Specification for fixing accessories for building purposes. Fixings for sheet, roof and wall coverings Part 1, (13th July 1964) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (28 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
48. Specification for hexagon washer head tapping screws. (15th September 1992) 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) ↗
49. Specification for high strength friction grip bolts and associated nuts and washers for structural engineering. Higher grade bolts (waisted shank), nuts and general grade washers Part 3, (31st October 1975) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (23 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
50. 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) ↗