511. Metallic materials. Rockwell hardness test. Verification and calibration of testing machines (scales A, B, C, D, E, F, G, H, K, N, T) Part 2, (15th November 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) ↗
512. Respiratory protective devices. Self-contained closed-circuit breathing apparatus for escape. Requirements, testing, marking. (26th November 2002) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (38 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
513. Carbon fibre yarns. Test methods and general specifications Part 2, (15th September 1999) 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) ↗
514. Water slides over 2 m height. Safety requirements and test methods Part 1, (15th September 2000) 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) ↗
515. Specification for examination and test of new lifts before putting into service. Electric traction lifts Part 1, (15th June 1999) 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) ↗
516. Heating boilers. Heating boilers with forced draught burners. Heating boilers with forced draught burners. Special requirements for boilers with forced draught oil burners with outputs up to 70 kW and a maximum operating pressure of 3 bar. Terminology, special requirements, testing and marking Part 4, (15th August 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) ↗
517. Packaging. Complete, filled transport packages and unit loads. Horizontal impact tests. (3rd October 2002) 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) ↗
518. Oxygen monitors for patient breathing mixtures. Particular requirements. (15th June 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) ↗
519. Electrically propelled road vehicles. Measurement of road operating ability. Thermal electric hybrid vehicles Part 2, (15th December 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) ↗
520. Windows, doors, shutters. Burglar resistance. Test method for the determination of resistance under static loading. (15th October 1999) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (38 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗