301. Specification for helical-scan video tape cassette system using 12.65 mm (0.5 in) magnetic tape on type L. (30th March 1990) 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) ↗
302. Specification for measurement microphones. Primary method for pressure calibration of laboratory standard microphones by the reciprocity technique Part 2, (15th April 1994) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (34 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
303. Specification for modems for connection to public switched telephone networks and speech band private circuits run by certain public telecommunications operators. (31st October 1992) 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) ↗
304. Specification for quartz crystal oscillators of assessed quality: generic data and methods of test. (31st December 1982) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (138 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
305. Specification for reference levels for narrow-band masking noise. (29th September 1989) 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) ↗
306. Specification for scales and sizes for plotting frequency characteristics and polar diagrams. (29th July 1983) 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) ↗
307. Specification for semiconductor rectifier equipments. (28th February 1969) 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) ↗
308. Specification for telex terminal apparatus for connection to public telecommunications operators' telex networks. (30th November 1990) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (56 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
309. Specification for threshold of hearing by air conduction as a function of age and sex for otologically normal persons. (29th February 1988) 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) ↗
310. Specification for time base stability of non-broadcast video recorders. (30th November 1990) 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) ↗