271. Reciprocating internal combustion engine driven alternating current generating sets. Specification for generating sets Part 5, (15th October 1993) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (36 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
272. Recommended methods for the determination of the dielectric properties of insulating materials at frequencies above 300 MHz. General Part 1, (15th October 1995) 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) ↗
273. Recommended methods for the determination of the dielectric properties of insulating materials at frequencies above 300 MHz. Resonance methods Part 2, (15th November 1995) 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) ↗
274. Requirements for the declaration of the acoustic output of medical diagnostic ultrasonic equipment. (15th January 1995) 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) ↗
275. Rotating electrical machines of particular types or for particular applications. Motors for driving power station auxiliaries Part 40, (13th November 1973) 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) ↗
276. Safety of machinery. Electrical equipment of machines. Specification for general requirements Part 1, (15th March 1993) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (72 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
277. Sampling procedures for inspection by attributes. Specification for skip-lot procedures Part 3, (15th January 1993) 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) ↗
278. Sampling procedures for inspection by attributes. Specification for skip-lot procedures Part 3, (30th April 1986) 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) ↗
279. Scales and sizes for plotting frequency characteristics and polar diagrams. (4th September 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (18 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
280. Sectional specification for work area wiring cables with a common overall screen for use in digital communication. (15th January 1996) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (18 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗