251. Specification for miniature and moulded case circuit-breakers. Miniature air-break circuit-breakers for a.c. circuits Part 1, (30th March 1990) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (58 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
252. Guide for steam turbines procurement. (28th February 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) ↗
253. High-voltage alternating-current circuit-breakers. (15th April 1996) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (174 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
254. Domestic bedding. Upholstered wood-framed divans Part 9, (30th September 1977) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (15 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
255. Specification for rotating electrical machines for use in ships. (1st February 1970) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (47 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
256. Petri dishes. Specification for glass Petri dishes Part 1, (30th June 1978) 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) ↗
257. Specification for ballvalves (excluding floats). Diaphragm type (brass body) Part 2, (9th August 1974) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (35 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
258. Specification for laboratory humidity ovens (injection type). (31st March 1970) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (27 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
259. Agricultural machinery. Agricultural trailers and trailed equipment. Drawbar jacks. (15th April 1999) 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) ↗
260. Fibre optic communication subsystem basic test procedures. Test procedures for digital systems. Optical eye pattern, waveform, and extinction ratio Part 2-2, (15th April 1999) 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) ↗