Certificate pursuant to Section 12 of the Weights and Measures Act 1985, certification no 1958/53 ... the Secretary of State for Trade and Industry hereby certifies as suitable for use for trade a pattern of a liquid flowmeter ... submitted by: NCR Corporation.
Great Britain.Department of Trade and Industry.
National Weights and Measures Laboratory.
NCR Corporation.
Teddington : National Weights and Measures Laboratory,
2002.
Reference no. STD 8808.