Specification for sizes of sensitized materials for recording instruments-Recording film
standard by BSI Group, 01/04/1974

Specification for iron and steel for colliery haulage and winding equipment.-Wrought steel
standard by BSI Group, 12/31/1976

Split cotter pins
standard by BSI Group, 12/31/1958

Specification for open fire components. Lintels
standard by BSI Group, 12/16/1960

Specification for pressboard for electrical purposes
standard by BSI Group, 03/29/1963

Specification for bronze welding by gas
standard by BSI Group, 01/30/1959

Methods for the analysis of iron and steel. Aluminium in iron, steel and low carbon ferro chromium volumetric
standard by BSI Group, 08/08/1967

Air filters for internal combustion engines and compressors
standard by BSI Group, 12/30/1950

Specification for activated alumina for use as desiccant
standard by BSI Group, 05/31/1967

Summary sheet: straight sided serrations. Internal and external
standard by BSI Group, 08/15/1957