Certificate pursuant to Section 12 of the Weights and Measures Act 1985, certification no 2422 ... the Secretary of State for Trade and Industry hereby certifies as suitable for use for trade a pattern of a lubricating oil dispensing system ... submitted by: Pumptronics Limited.
Great Britain.Department of Trade and Industry.
National Weights and Measures Laboratory.
Pumptronics Limited.
Teddington : National Weights and Measures Laboratory,
1996.
Reference no. STD 7910.