1. BS ISO 12509. Earth-moving machinery and rough-terrain trucks. Lighting, signalling and marking lights, and reflex reflector devices. (26th August 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (68 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Railway applications. External visible and audible warning devices. Head, marker and tail lamps for heavy rail Part 1, (24th January 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (28 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗