Certificate pursuant to section 12 of the Weights and Measures Act 1985 : certification no. 2777 ... the Secretary of State for Trade and Industy hereby certifies as suitable for use for trade a pattern of a road tanker meter measuring system ... submitted by Johann Heidt Developments.
Great Britain.Department of Trade and Industry.
National Weights and Measures Laboratory (Great Britain)
Johann Heidt Developments (Firm)
Teddington : National Weights & Measures Laboratory,
2006.
Reference no. T1121/0009.