BS 4490:1989

Methods for micrographic determination of the grain size of steel
standard by BSI Group, 06/30/1989

BS 4359-1:1984

Determination of the specific surface area of powders-Recommendation for gas adsorption (BET) methods
standard by BSI Group, 01/31/1985

BS 427:1931

Diamond pyramid hardness numbers
standard by BSI Group, 10/27/1958

BS 6828-4:1987

Dental rotary instruments-Specification for steel and carbide finishing burs
standard by BSI Group, 05/29/1987

BS 5412-5:1976

Specification for the performance of draw-off taps with metal bodies for water services-Physio-chemical characteristics: materials, coatings
standard by BSI Group, 10/29/1976

BS 5293-2:1990

Sampling and testing carbon black for use in the rubber industry-Method for determination of pour density
standard by BSI Group, 05/31/1990

BS 6418:1983

Specification for cordless audio transmission devices using infra-red radiation
standard by BSI Group, 10/31/1983

BS 4687:1971

Specification for extended pitch precision roller chains and chainwheels
standard by BSI Group, 03/10/1971

BS 4533-2.6:1972

Electric luminaires. Luminaire track systems
standard by BSI Group, 11/30/1977

BS 3999-9:1972

Methods of measuring the performance of household electrical appliances-Electric toasters
standard by BSI Group, 10/29/1976