1. Method for evaluation of the maturity of cotton fibres (microscopic method). (30th November 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) ↗
2. Methods of test for anodic oxidation coatings on aluminium and its alloys. Determination of thickness of anodic oxide coatings: non-destructive measurement by split-beam microscope Part 2, (30th October 1981) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (4 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. Petrographic analysis of bituminous coal and anthracite. Method of determining maceral group composition of bituminous coal and anthracite Part 3, (31st August 1981) 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) ↗
4. Specification for saffron. (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) ↗