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 non-self-indicating beam scale ... : submitted by : Denward Manufacturing.
Great Britain.Department of Trade and Industry.
National Weights and Measures Laboratory.
Denward Manufacturing (Firm)
Teddington : National Weights and Measures Laboratory,
1990.
Reference no. STD 725
Weights and measures
Measuring instruments
Weighing-machines