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 the following pattern of liquid flowmeter : submitted by : Bennett-Beck & Co Ltd.
Great Britain.Department of Trade and Industry.
National Weights and Measures Laboratory.
Bennett-Beck & Company Limited.
Teddington : National Weights and Measures Laboratory,
1988.
Weights and measures
Liquid feeders.