Certificate pursuant to section 12 of the Weights and Measures Act 1985 : certification no. 2162/57 ... the Secretary of State for Trade and Industry hereby certifies as suitable for trade a pattern of a liquid flowmeter ... submitted by HTEC Ltd.
Great Britain.Department of Trade and Industry.
National Weights and Measures Laboratory.
HTEC Ltd.
Teddington : National Weights & Measures Laboratory,
2000.
Cover title.
Reference no. STD 9462.