Certificate pursuant to section 12 of the Weights and Measures Act 1985 : certification no. 2437/3 ... the Secretary of State for Trade and Industry hereby certifies as suitable for trade a pattern of a liquid flowmeter ... Schlumberger dispensers ... submitted by: Schlumberger Electronics Transactions RPS.
Great Britain.Department of Trade and Industry.
National Weights and Measures Laboratory.
Schlumberger Electronic Transactions RPS Div.
Teddington : National Weights and Measures Laboratory,
1997.
Cover title.
Reference no. STD 8315.