BS 142-1-1.2:1982

Electrical protection relays. Information and requirements for all protection relays-Specification for contact performance
standard by BSI Group, 11/30/1982

BS 1121-19:1951

Methods for the analysis of iron and steel. Small amounts of soluble silicon in plain carbon and low alloy steels and irons (Absorptiometric method)
standard by BSI Group, 03/30/1951

BS 2011-2QE:1967

The enviromental testing of electronic components and electronic equipment. Container sealing penetration of liquid.
standard by BSI Group, 01/01/1967

BS 1982:1953

Methods of test for fungal resistance of manufactured building materials made of or containing materials of organic origin
standard by BSI Group, 06/05/1953

BS 1902-4-4.8:1985

Methods of testing refractory materials. Properties measured under an applied stress-Determination of refractoriness-under-load (rising temperature test: dilatometer method) (method 1902-408)
standard by BSI Group, 03/29/1985

BS 1759:1951

Knurling wheels
standard by BSI Group, 07/13/1951

BS 132:1920

Specification for steam turbines for electrical plant
standard by BSI Group, 10/07/1920

BS 122-5:1978

Milling cutters-Mounting dimensions and accessories
standard by BSI Group, 12/29/1978

BS 142-4-4.1:1984

Electrical protection relays. Requirements for multi-input energizing quantity relays-Specification for biased (percentage) differential relays
standard by BSI Group, 04/30/1984

BS 130:1923

Totally enclosed air-break circuit breakers for voltages not exceeding 660 volts
standard by BSI Group, 01/30/1933