271. Specification for home and personal security devices. (31st October 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) ↗
272. Specification for lifts, escalators, passenger conveyors and paternosters. General requirements for escalators and passenger conveyors Part 4, (31st July 1969) 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) ↗
273. Specification for lifts, escalators, passenger conveyors and paternosters. General requirements for paternosters Part 5, (24th February 1970) 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) ↗
274. Specification for location of hand controls, indicators and tell-tales in passenger cars. (15th October 1997) 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) ↗
275. Specification for location of hand controls, indicators and tell-tales in passenger cars. (31st January 1984) 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) ↗
276. Specification for multi-frequency tone signalling protocol for social alarm systems. (28th February 1991) 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) ↗
277. Specification for oxygen concentrators for use with medical gas pipeline systems. (15th March 1993) 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) ↗
278. Specification for park homes (mobile homes). (29th November 1985) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (13 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
279. Specification for park homes (mobile homes). (31st January 1990) 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) ↗
280. Specification for performance of alarms and emergency wiring systems under fire conditions. (28th September 1990) 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) ↗