Certificate pursuant to section 12 of the Weights and Measures Act 1985 certification no 2494/2 ... 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.
2494/2
Reference no. STD 8885.