Certificate pursuant to section 12 of the Weights and Measures Act 1985 certification no. 2142/11 ... the Secretary of State for Trade and Industry hereby certifies as suitable for use for trade a pattern of a road tanker meter measuring system for liquids other than water as described in the descriptive annex to this certificate, and having the following characteristics ... : submitted by: Drum Engineering Co. Ltd.
Great Britain.Department of Trade and Industry.
National Weights and Measures Laboratory.
Drum Engineering Company Limited.
Teddington : National Weights and Measures Laboratory,
1999.
Cover title.
Reference no. STD 6230.