1. BS 1414:1975. Specification for Steel wedge gate valves (flanged and butt-welding ends) for the petroleum, petrochemical and allied industries

2. BS 1428-B2:1960. Specification for Ammonia distillation apparatus (Markham - Microchemical apparatus - Group B apparatus for the determination of elements by other than combustion methods

3. BS 1490:1988. Specification for Aluminium and aluminium alloy ingots and castings for general engineering purposes

4. BS 1494-1:1964. Specification for Fixing accessories for building purposes - Part 1: Fixings for Sheet, Roof and Wall Coverings Licensed

5. BS 1553-1:1977. Specification for Graphical symbols for general engineering - Part 1: Piping systems and plant

6. BS 1553-2:1950. Graphical symbols for power generating plant - Graphical symbols for general engineering

7. BS 1553-3:1950. Graphical symbols for compressing plant - Graphical symbols for general engineering

8. BS 89-8:1990 EN 60051-8:1989. Direct acting indicating analogue electrical measuring instruments and their accessories - Part 8: Specification for special requirements for accessories

9. BS 90:1975. Specification for Direct-acting electrical recording instruments and their accessories

10. BS 115:1995. Specification for Metallic resistance materials for electrical purposes