1. Circular flanges for pipes, valves and fittings (Class designated). Specification for steel pipe flanges (nominal sizes ½ in to 24 in). Metric dimensions Part 2, (31st July 1980) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (64 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Reels for magnetic tape for instrumentation applications. Specification for general purpose reels with 76 mm (3 in) centre hole Part 2, (31st March 1980) 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) ↗
3. Reels for magnetic tape for instrumentation applications. Specification for general purpose reels with 8 mm ($9E in) centre hole Part 3, (31st March 1980) 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) ↗