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 and price-computing counter weighing machine.
National Weights and Measures Laboratory.
Berkel Ltd.
Teddington : National Weights and Measures Laboratory,
1990.
Reference no STD 4238
Weighing-machines