41. Specification for gauge blocks and accessories. Gauge blocks Part 1, (1st July 1978) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (20 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
42. Specification for length bars and their accessories (imperial units). (31st January 1961) 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) ↗
43. Specification for parallel steel dowel pins. Inch series Part 1, (26th August 1966) 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) ↗
44. Specification for parallel steel dowel pins. Metric series Part 2, (26th September 1968) 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) ↗
45. Specification for parallel steel dowel pins. Parallel and taper types having screw threads for extraction purposes. Metric series Part 3, (15th May 1973) 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) ↗
46. Specification for precision vernier depth gauges. (31st May 1983) 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 resistance spot welding. Electrode holders. Parallel shank fixing for end thrust Part 3, (15th July 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) ↗
48. Specification for slip (or block) gauges and their accessories. (1st March 1968) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (24 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
49. Specification for straightedges. Steel or granite straightedges of rectangular section Part 2, (29th April 1977) 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) ↗
50. Specification for the use of high strength friction grip bolts in structural steelwork. Metric series. Higher grade (parallel shank) Part 2, (28th August 1970) 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) ↗