Certificate pursuant to Section 12 of the Weights and Measures Act 1985, certification no 2619 ... the Secretary of State for Trade and Industry hereby certifies as suitable for use for trade a pattern of a liquid flowmeter ... submitted by: Dresser Wayne.
Great Britain.Department of Trade and Industry.
National Weights and Measures Laboratory.
Dresser Wayne.
Teddington : National Weights and Measures Laboratory,
2001.
Reference no. STD 10345.