Certificate pursuant to Section 12 of the Weights and Measures Act 1985, Certification no. 2640 ... the Secretary of State for Trade and Industry hereby certifies as suitable for use for trade a pattern of an automatic weighing  machine ... submitted by : Weitek.
Great Britain.Department of Trade and Industry.
National Weights and Measures Laboratory.
Weitek.
Teddington : National Weights & Measures Laboratory,
2002.
Reference no. STD 10637.