621. Lighting columns. Method for verification of structural design by testing Part 8, (29th October 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) ↗
622. Specification for flameproof hand-held electric drilling machines primarily for use in mines. (11th December 1970) 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) ↗
623. Specification for sealed nickel-cadmium prismatic rechargeable single cells. (31st August 1981) 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) ↗
624. Specification. Semi-enclosed electric fuses (ratings up to 100 amperes and 240 volts to earth). (23rd October 1958) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (30 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
625. Specification for mining type flameproof gate-end boxes. Gate-end boxes for direct-on-line motor starting (for use on 3-phase a.c. circuits up to 650 V) Part 1, (20th March 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) ↗
626. Specification for transformers for use in ships. (31st July 1961) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (54 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
627. Specification for capacitors for connection to power-frequency systems. (29th October 1971) 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) ↗
628. Power transformers. Specification for temperature rise requirements Part 2, (31st August 1978) 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) ↗
629. Specification for high voltage fuse-links for motor circuit applications. (31st March 1980) 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) ↗
630. Post insulators of ceramic material or glass for nominal voltages greater than 1000 V. Guide to insulator practice Part 3, (31st May 1982) 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) ↗