BS 109:1921
Air-break knife switches and air-break isolating switches for voltages not exceeding 660 volts excluding totally-enclosed and flame proof types
standard by BSI Group, 01/30/1933
BS 1121-6:1967
Methods for the analysis of steel . Nickel in iron, carbon steel and low alloy steel: photometric
standard by BSI Group, 03/31/1967
BS 1134-1:1972
Method for the assessment of surface texture-Method and instrumentation
standard by BSI Group, 02/27/1976
BS 1000[383/389]:1971
Universal Decimal Classification. English full edition-Communications. Transport. Metrology. Weights and measures.
standard by BSI Group, 06/30/1971
BS 1123:1950
Valves, gauges and other safety fittings for air receivers and compressed air instalations
standard by BSI Group, 02/23/1950
BS 1049-(1R):1942
Schedule of sizes and types of metal collapsible tubes for British packers in the United Kingdom for the home trade
standard by BSI Group, 07/10/1945
BS 110:1934
Air-break circuit breakers for voltages not exceeding 660 volts
standard by BSI Group, 01/30/1933
BS 1016-8:1959
Methods for analysis and testing of coal and coke. Chlorine in coal
standard by BSI Group, 08/21/1970