161. Specification for portable aluminium ladders, steps, trestles and lightweight stagings. (15th May 1994) 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) ↗
162. Specification for portable aluminium ladders, steps, trestles and lightweight stagings. (30th September 1987) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (22 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
163. Specification for portable aluminium ladders, steps, trestles and lightweight stagings. (30th September 1991) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (22 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
164. Specification for pre-hardened and tempered carbon and low alloy round steel wire for springs for general engineering purposes. (30th September 1980) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (16 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
165. Specification for rigid stretchers. (31st January 1992) 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) ↗
166. Specification for ring wrenches. (30th November 1988) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (12 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
167. Specification for screwdrivers and screwdriver accessories. (15th January 1994) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (38 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
168. Specification for screwdrivers. Ratchet screwdrivers Part 4, (13th October 1973) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (1 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
169. Specification for screwdrivers. Screwdrivers and screwdriver bits for recessed head screws Part 2, (1st November 1975) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (17 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
170. Specification for screwdrivers. Screwdrivers for slotted head screws Part 1, (9th October 1972) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (29 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗