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 following pattern of an automatic weighing machine for dispensing predetermined loads of powdered or granular materials : submitted by Richard Simon and Sons.
Great Britain.Department of Trade and Industry.
National Weights and Measures Laboratory.
Richard Simon and Sons (Firm).
Teddington : National Weights and Measures Laboratory,
1988.
Weights and measures
Weighing-machines