131. Specification for factory-built assemblies of switchgear and controlgear for voltages up to and including 1000 V a.c. and 1200 V d.c. Particular requirements for miniature circuit-breaker boards Part 12, (30th March 1979) 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) ↗
132. Private branch exchanges for connection to public switched telephone networks run by certain public telecommunication operators.Facilities on private branch exchanges. Specification for facilities on private branch exchanges with terminating stations treated as an entirety Part 5-5.1, (30th September 1988) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (40 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
133. Specification for safety requirements for laboratory centrifuges. (1st April 1983) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (17 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
134. Specification for thermostatic radiator valves. (29th April 1983) 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) ↗
135. Specification for controlgear for voltages up to and including 1000 V a.c. and 1200 V d.c. Contactors Part 1, (31st March 1988) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (59 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
136. Safety devices for use in hot water systems. Specification for temperature relief valves for pressures up to and including 10 bar Part 2, (30th November 1982) 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) ↗
137. Specification for motor starters for voltages up to and including 1000 V a.c. and 1200 V d.c. Reduced voltage a.c. starters, star delta starters Part 2, (31st January 1977) 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) ↗
138. Private branch exchanges for connection to public switched telephone networks run by certain public telecommunication operators. Specification for general requirements Part 1, (1st September 1988) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (27 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
139. Specification. Capacitors for single phase a.c. motors. (28th September 1979) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (17 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
140. Work platforms. Code of practice for mobile scissor operated work platforms Part 1, (30th November 1982) 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) ↗