Specification for dimensions of toroidal sealing rings ('O' seals and their housings)
standard by BSI Group, 12/07/1962

Specification for air filters for air supply to internal combustion engines and compressors other than for aircraft
standard by BSI Group, 03/13/1970

Length bars and their accessories
standard by BSI Group, 01/28/1952

Sizes of photographic sheet film other than x-ray film.
standard by BSI Group, 09/14/1951

Measurement of fluid flow in closed conduits. Pressure differential devices-Guide to the use of devices specified in Sections 1.1 and 1.2
standard by BSI Group, 03/30/1984

Liquid starters for electric motors (d.c and a.c-phase 3 induction with slip rings)
standard by BSI Group, 05/31/1923

Specification personal stationery (terms and sizes)
standard by BSI Group, 09/28/1973

Specification for unreinforced wood wool cement slabs up to 3 in thick
standard by BSI Group, 03/16/1963

Fastness to daylight of coloured textiles
standard by BSI Group, 02/04/1953

Materials for fire brigade uniforms
standard by BSI Group, 07/30/1951