411. Code of practice for ventilation and heating of caravans. Installation of solid fuel fired heating appliances Part 2, (31st October 1978) 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) ↗
412. 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) ↗
413. 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) ↗
414. Fertilizers. Physical properties. Method for determination of bulk density (loose) of fine-grained fertilizers Part 3-3.3, (31st August 1984) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (5 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
415. Specification for mining type flameproof supply and control units for use on systems up to 1100 V. 300 A circuit breaker units Part 2, (30th November 1976) 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) ↗
416. Specification for sound level meters. (31st March 1989) 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) ↗
417. Code of practice for temporarily installed suspended scaffolds and access equipment. (31st August 1983) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (37 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
418. Specification for lamp caps and holders together with gauges for the control of interchangeability and safety. Lamp caps Part 1, (31st January 1991) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (184 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
419. Devices without moving parts for the prevention of contamination of water by backflow. Specification for type A air gaps Part 1, (30th November 1982) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (4 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
420. Code of practice for fire protection for electronic data processing installations. (31st August 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) ↗