1. BS 1042-1.4:1992. Measurement of fluid flow in closed conduits - Part 1: Pressure differential devices - Section 1.4 Guide to the use of devices specified in Sections 1.1 and 1.2

2. BS 1042-1.5:1997. Measurement of fluid flow in closed conduits - Part 1: Pressure differential devices Section 1.5 Guide to the effect of departure from the conditions specified in BS EN ISO 5167-1

3. BS 1042-2.2:1983 ISO 7145:1982. Measurement of fluid flow in closed conduits - Part 2: Velocity area methods - Section 2.2 Method of measurement of velocity at one point of a conduit of circular cross section

4. BS 1054:1975. Specification for Engineers’ comparators for external measurement

5. BS 1090:1970. Specification for Flameproof hand-held electric drilling machines primarily for use in mines

6. BS 1133-6.1:1991. Packaging code - Section 6 Protection of metal surfaces against corrosion during transport and storage - Subsection 6.1 Cleaning and drying of metal surfaces

7. BS 1133-6.2:1991. Packaging code - Section 6 Protection of metal surfaces against corrosion during transport and storage - Subsection 6.2 Temporary protectives and their application

8. BS 1134:2010. Assessment of surface texture – Guidance and general information

9. BS 1139-1.1:1990. Metal scaffolding - Part 1: Tubes - Section 1.1 Specification for steel tube

10. BS 1139-1.2:1990. Metal scaffolding - Part 1: Tubes - Section 1.2 Specification for aluminium tube