Certificate pursuant to section 12 of the Weights and Measures Act 1963 ... the Secretary of State for Trade and Industry hereby certifies as suitable for use for trade the pattern of a self indicating, price computing and label printing counter weighing machine as described herein submitted by Herbert & Sons Ltd
Great Britain.Department of Trade and Industry.
National Weights and Measures Laboratory.
Herbert & Sons Ltd.
London National Weights and Measures Laboratory
1987
Weights and measures
Weighing-machines.