The normal threshold of hearing for pure tones by earphone listening
standard by BSI Group, 07/30/1954

Specification for bi-pin lamp-holders for tubular fluorescent lamps for use in circuits the declared voltage of which does not exceed 250 volts
standard by BSI Group, 08/31/1979

Specification for cellulose acetate moulding material
standard by BSI Group, 04/07/1955

Specification. Busbars and connections constructed of bare copper or aluminium
standard by BSI Group, 03/07/1925

Brass bars (high speed screwing and turning)
standard by BSI Group, 11/01/1932

Clothes line posts
standard by BSI Group, 03/17/1947

Specification for radio interference suppression on marine installations
standard by BSI Group, 05/30/1963

Specification for lighting fittings for civil land aerodromes. Approach lights-High intensity blister approach lighting fittings
standard by BSI Group, 07/27/1970

Safety belts and harnesses
standard by BSI Group, 12/27/1956

Specification for capacitors for connection to power-frequency systems
standard by BSI Group, 10/29/1971