21. Specification for 35 mm microcopying of technical drawings. Unitized microfilm carriers Part 3, (30th December 1977) 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) ↗
22. Microfiche. Specification for formats of 60 and 98 frames Part 1, (30th September 1981) 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. Specification for 35 mm microcopying of technical drawings. Operating procedures Part 1, (30th December 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) ↗
24. Specification for microform readers. (30th June 1976) 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) ↗
25. Specification for minimum information to be included in specification sheets of duplicators. (29th August 1980) 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) ↗
26. Methods of test for determining the registration obtained on duplicating machines. (19th June 1970) 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) ↗
27. Specification for minimum information to be included in specification sheets of document copying machines. (31st March 1981) 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) ↗
28. Duplicators and document copying machines. Attachment features of plates of offset duplicators Part 1, (31st May 1977) 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) ↗
29. Duplicators and document copying machines. Minimum overprint and attachment features of stencils for duplicators Part 2, (30th June 1977) 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) ↗
30. Specification for dimensions and position of microfiche heading coating (colour stripe). (31st March 1983) 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) ↗