Specification for dimensions of 127, 120 and 620 photographic roll film, backing paper and film spools
standard by BSI Group, 01/30/1970

Specification for glass and glass polyester fibre woven tapes for electrical purposes
standard by BSI Group, 03/29/1985

Methods of measuring and expressing the performance of television receivers-General considerations and electrical measurements other than those at audio-frequencies
standard by BSI Group, 03/30/1979

Dimensions of film for airborne cameras
standard by BSI Group, 03/29/1956

Specification for photographic grade sodium carbonate, anhydrous
standard by BSI Group, 04/28/1978

Telegraph material
standard by BSI Group, 08/01/1905

Methods of test for petroleum and its products-Sulphated ash from lubricating oils and additives
standard by BSI Group, 03/31/1982

Specification for connectors for timber
standard by BSI Group, 05/15/1953

Enamelled copper wire
standard by BSI Group, 12/01/1944

Specification for insulating oil for transformers and switchgear
standard by BSI Group, 03/03/1966