Measurement of fluid flow in closed conduits. Pressure differential devices-Specification for square-edged orifice plates, nozzles and venturi tubes inserted in circular cross section conduits running full
standard by BSI Group, 10/01/1983

Specification for black paint (tar-base) for use on iron and steel
standard by BSI Group, 12/16/1942

Fine resistance wire for telecommuncationn & similar purposes
standard by BSI Group, 01/21/1955

Flat bottom railway rails
standard by BSI Group, 06/24/1922

Methods for the analysis of iron and steel. Arsenic in iron and steel
standard by BSI Group, 08/08/1967

Methods for the analysis of iron and steel. Arsenic in iron and steel Volumetric
standard by BSI Group, 08/08/1967

Methods for the analysis of iron and steel. Magnesium in cast iron Volumetric
standard by BSI Group, 01/18/1967

Methods for the analysis of steel. Chromium present in small amounts in carbon and low alloy steels
standard by BSI Group, 08/26/1948

Clinker aggregate for plain and precast concrete
standard by BSI Group, 06/28/1957

Metal wall ties
standard by BSI Group, 07/25/1945