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 pattern of a liquid measuring instrument for beer and cider as described herein submitted by Pektron Ltd
Great Britain.Department of Trade and Industry.
National Weights and Measures Laboratory.
Pektron Ltd.
Teddington National Weights and Measures Laboratory
1987
Weights and measures
Liquid level indicators.