51. Specification for hand operated square drive socket wrenches and accessories. (15th October 1992) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (42 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
52. Specification for hand-operated square drive socket wrenches and accessories. (31st August 1988) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (44 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
53. 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) ↗
54. 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) ↗
55. Specification for industrial wire mesh. High tensile steel wire mesh with square apertures from 125 mm to 2 mm Part 2, (30th March 1972) 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) ↗
56. Specification for industrial wire mesh. Woven annealed wire cloth with square apertures, plain or twilled weave Part 1, (29th March 1971) 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) ↗
57. Specification for micrometer heads. (16th April 1951) 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) ↗
58. Specification for nickel and nickel alloys: bar. (31st January 1990) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (26 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
59. Specification for single point cutting tools. Ground high speed steel tool bits Part 4, (31st January 1978) 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) ↗
60. 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) ↗