1. Specification for ships' ladders. Ladders, steel dog-step Part 3, (21st December 1973) 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. Specification for ships' ladders. Ladders, steel sloping Part 2, (21st December 1973) 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) ↗
3. Specification for ships' ladders. Ladders, steel vertical Part 1, (21st December 1973) 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) ↗