261. Fibre optic communication subsystem basic test procedures. Test procedures for general communication subsystems. Central wavelength and spectral width measurement Part 1-3, (15th April 1999) 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) ↗
262. Methods of testing vitreous enamel finishes. Resistance to thermal shock of coatings on cooking utensils Part 16, (15th June 1998) 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) ↗
263. Specification for laboratory humidity ovens (non-injection type). (2nd April 1964) 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) ↗
264. 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) ↗
265. Specification for motors for battery operated vehicles. (31st March 1978) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (21 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
266. Packaging code. Temporary protection of metal surfaces against corrosion (during transport and storage) (7th March 1966) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (119 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
267. Specification for domestic bedding. Spring interior mattresses for adult use (performance and construction) Part 1, (30th September 1977) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (26 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
268. Specification for performance of electrically heated sterilizing ovens. (12th December 1961) 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) ↗
269. Method for Rockwell hardness test. Verification of the testing machine Part 2, (26th November 1964) 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) ↗
270. Private branch exchanges for connection to public switched telephone networks run by certain public telecommunications operators. Specification for ports Part 4, (15th December 1993) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (162 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗