21. Digital audio tape recorder reel to reel system, using 6, 3 mm magnetic tape for professional use. Magnetic tape properties: definitions and methods of measurement Part 4, (15th October 1993) 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) ↗
22. Graphic technology. Prepress digital data exchange. Colour line art data on magnetic tape. (15th January 1995) 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) ↗
23. Graphical symbols for electrical power, telecommunications and electronics diagrams. Telecommunications: switching and peripheral equipment Part 9, (28th June 1985) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (18 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
24. Guide to construction and use of 130 mm (5.25 in) flexible disk cartridges for data interchange, using modified frequency modulation recording at 13 262 ftprad, on 80 tracks each side. Track format A for 77 tracks Part 2, (30th September 1988) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (22 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
25. Guide to construction and use of 130 mm (5.25 in) flexible disk cartridges for data interchange, using modified frequency modulation recording at 13 262 ftprad, on 80 tracks each side. Track format B for 80 tracks Part 3, (30th September 1988) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (18 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
26. Guide to construction and use of 6.30 mm (0.25 in) magnetic tape cartridge for data interchange, using IMFM recording at 252 ftpmm (6400 ftpi). Track format and method of recording for data interchange in start/stop mode Part 2, (31st July 1989) 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. Guide to construction and use of 6.30 mm (0.25 in) magnetic tape cartridge using GCR for data interchange, recording at 394 ftpmm(10 000 ftpi), 39 cpmm (1 000 cpi). Streaming mode Part 2, (30th June 1989) 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) ↗
28. Guide to construction and use of 90 mm (3.5 in) flexible disk cartridges for data interchange, using modified frequency modulationrecording at 7958 ftprad, 5.3 tpmm (135 tpi) on 80 tracks on each side. Track format Part 2, (30th September 1988) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (18 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
29. Helical-scan video tape cassette system using 12, 65 mm (0, 5 in) magnetic tape on type VHS. FM audio recording Part 2, (15th September 2000) 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) ↗
30. Identification cards. Recording technique. Magnetic stripe: High coercivity Part 6, (23rd August 2019) 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) ↗