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 liquid flowmeter ... submitted by VBi Ltd.
Great Britain.Department of Trade and Industry.
National Weights and Measures Laboratory.
VBi Ltd.
Teddington : National and Weights & Measures Laboratory,
2004.
Caption title.
STD 11156 - 1918/69.