Certificate pursuant to Section 12 of the Weights and Measures Act 1985 ... the Secretary of State hereby certifies as suitable for use for trade the following patterns of self-indicating and price-computing counter weighing machines : submitted by Berkel Ltd.
Great Britain.Department of Trade and Industry.
National Weights and Measures Laboratory.
Berkel Ltd.
Teddington : National Weights and Measures Laboratory,
1990.
Weighing-machines