Certificate pursuant to section 12 of the Weights and Measures Act 1985 : Certification no. 1940/34 ... the Secretary of State for Trade and Industry hereby certifies as suitable for use for trade a pattern of a liquid flowmeter ... DOMS PSS2000 ... submitted by Pumptronics Ltd.
Great Britain.Department of Trade and Industry.
National Weights and Measures Laboratory.
Pumptronics Limited.
Teddington : National Weights and Measures Laboratory,
1996.
Cover title.
Reference no. STD 7831.