241. Hand-held pressurized aerosol dispensers against houseflies. Method for determination of insecticidal performance Part 2, (15th February 1999) 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) ↗
242. Specification for thermal-storage electric water heaters (constructional and water requirements). (29th June 1986) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (11 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
243. Secure storage units. Classification for high security locks according to their resistance to unauthorized opening. (15th April 1999) 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) ↗
244. Photography. Sensitometry of screen/film systems for medical radiography. Determination of sensitometric curve shape, speed and average gradient for mammography Part 3, (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) ↗
245. Sampling and examination of bituminous mixtures for roads and other paved areas. Methods for design and physical testing Part 3, (1st July 1986) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (33 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
246. Method of specifying performance of rotating electrical machines for rail and road vehicles. (30th November 1984) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (48 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
247. Specification. Commercial refrigerated storage cabinets of the closed reach-in type. (30th April 1976) 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) ↗
248. Methods for specifying and measuring the characteristics of sound system equipment. Programme level meters Part 9, (30th October 1981) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (23 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
249. Methods of test for petroleum and its products. Dynamic anti-rust test for lubricating greases Part 220, (31st March 1982) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (7 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
250. Specification for frozen food storage compartments in refrigerators for household use. (14th May 1974) 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) ↗