1. BS ISO 6769. Vitreous and porcelain enamels. Determination of surface scratch hardness according to the Mohs scale. (20th January 2022) 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) ↗
2. Household and similar electrical appliances. Safety. Particular requirements for electric fence energizers Part 2-76, (8th April 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (70 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. Imaging materials. Scratch resistance of photographic prints. General test method Part 1, (28th November 2022) 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) ↗
4. Imaging materials. Scratch resistance of photographic prints. Sclerometer test method Part 2, (22nd November 2022) 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) ↗
5. Vitreous and porcelain enamels. Determination of surface scratch hardness according to the Mohs scale. (8th December 2022) 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) ↗