Certificate pursuant to Section 12 of the Weights and Measures Act 1985, certification no 1958/31 ... the Secretary of State for Trade and Industry hereby certifies as suitable for use for trade a pattern of a liquid flowmeter : Submitted by: Siemens Nixdorf Information Systems Ltd.
Great Britain.Department of Trade and Industry.
National Weights and Measures Laboratory.
Siemens Nixdorf Information Systems Ltd.
Teddington : National Weights and Measures Laboratory,
1995.
Reference no. STD 6352.