1. BS ENISO 11146-2. Lasers and laser-related equipment. Test methods for laser beam widths, divergence angles and beam propagation ratios. Part 2. General astigmatic beams (1st May 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (23 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Lasers and laser-related equipment. Test methods for laser beam widths, divergence angles and beam propagation ratios. General astigmatic beams Part 2, (21st July 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (26 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. Tracked Changes. Lasers and laser-related equipment. Test methods for laser beam widths, divergence angles and beam propagation ratios. General astigmatic beams Part 2, (21st October 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (60 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
4. Nursery stock. Specification for bedding plants Part 7, (28th February 1989) 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) ↗
5. Measurement of internal electric field in insulating materials. Pressure wave propagation method. (10th November 2020) 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) ↗