Certificate pursuant to section 12 of the Weights an Measures Act 1985 ... the Secretary of State for Trade and Industry hereby certifies as suitable for use for trade the following pattern of a non-automatic self-indicating weighing machine ... : submitted by GEC Avery Technology Ltd.
Great Britain.Department of Trade and Industry.
National Weights and Measures Laboratory.
GEC Avery Technology Limited.
Teddington : National Weights and Measures Laboratory,
1989.
Weighing-machines
Weights and measures