1. 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) ↗