Sodium sulphite anhydrous photographic grade.
standard by BSI Group, 10/31/1960

Acceptance tests for positive-displacement compressors and exhausters.
standard by BSI Group, 07/11/1949

Specification for testing of positive displacement compressors and exhausters-Methods for acceptance testing
standard by BSI Group, 08/28/1987

Method for the determination of lead in gasoline (gravimetric method)
standard by BSI Group, 09/23/1968

Report on BS screw threads
standard by BSI Group, 11/01/1912

Method for determination of breaking load and extension of single threads of yarn.
standard by BSI Group, 01/29/1953

Methods of testing vitreous enamel finishes-Low voltage test for detecting and locating defects
standard by BSI Group, 12/23/1987

Methods of testing plastics. Chemical properties-Determination of pH of aqueous extract of PVC resins
standard by BSI Group, 01/31/1978

Specification for 1-phenyl-3-pyrazolidinone photographic grade
standard by BSI Group, 03/14/1960

Specification for vee blocks
standard by BSI Group, 03/26/1964