251. Performance of windows. Classification for weathertightness (including guidance on selection and specification) Part 1, (1st July 1985) 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) ↗
252. Specification for controlgear for voltages up to and including 1000 V a.c. and 1200 V d.c. Contactors Part 1, (31st March 1988) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (59 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
253. Specification for wood preservation by means of water-borne copper/chrome/arsenic compositions. (28th April 1978) 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) ↗
254. Methods for testing and rating air terminal devices for air distribution systems. Aerodynamic testing Part 1, (8th November 1971) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (53 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
255. Specification for gas burning appliances. Built-in domestic cooking appliances Part 4, (31st May 1983) 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) ↗
256. Specification for fire hydrant systems equipment. Landing valves for wet risers Part 1, (30th September 1975) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (9 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
257. Code of practice for internal plastering. (31st October 1989) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (30 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
258. Specification for dyeing and finishing machines. Classification and nomenclature Part 3, (28th April 1978) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (25 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
259. Classification of fires. (28th August 1985) 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) ↗
260. Specification for household refrigerator/freezers: type I. (29th April 1983) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (24 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗