Certificate pursuant to section 12 of the Weights and Measures Act 1985 ... the Secretary of State for Trade and Industry hereby certifies as suitable for use for trade the following pattern of a self-indicating, price computing and label printing non-automatic weighing machine : submitted by TEC(UK) Ltd.
Great Britain.Department of Trade and Industry.
National Weights and Measures Laboratory.
TEC (UK) Limited.
Teddington : National Weighs and Measures Laboratory,
1990.
Weighing-machines