1. Safety signs and colours. Specification for colorimetric and photometric properties of materials Part 2, (29th August 1980) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (14 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Safety signs and colours. Specification for colour and design Part 1, (31st July 1980) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (13 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. Specification for manually driven balanced personal homelifts. (31st July 1980) 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) ↗