Certificate pursuant to Section 12 of the Weights and Measures Act 1985 ... 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 ... submitted by Drum Engineering Ltd.
Great Britain.Department of Trade and Industry.
Drum Engineering Company Limited.
National Weights and Measures Laboratory.
Teddington : National Weights and Measures Laboratory,
1999.
Reference no.8410.
(2450/2)