231. Tubular fluorescent lamps for general lighting service. Specification for internationally specified lamps Part 1, (31st August 1990) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (168 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
232. Methods of testing plastics. Sampling and test specimen preparation. Preparation and use of multipurpose test specimens Part 9 Method 931A, (31st October 1988) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (6 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
233. Precast concrete paving blocks. Specification for paving blocks Part 1, (29th August 1986) 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) ↗
234. Surgical implants. Recommendations for retrieval and examination of orthopaedic surgical implants and associated tissues Part 22, (29th February 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) ↗
235. Railway rolling stock material (metric). Specification for forged and rolled wheel centres Part 2, (31st August 1988) 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) ↗
236. Specification for resistance to ignition of upholstered furniture. (31st July 1989) 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) ↗
237. Methods of test for petroleum and its products. Saponification number of petroleum products Part 136, (30th April 1991) 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) ↗
238. Specification for welding primers and weld-through sealants, adhesives and waxes for resistance welding of sheet steel. (30th November 1990) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (20 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
239. Procedure for inspection and testing of aluminium-base and magnesium-base ingots and castings. (30th September 1981) 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) ↗
240. Specification for hand operated, thermally compensated, miniature, single and triple pole circuit breakers. (28th February 1975) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (32 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗