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 trade the following pattern of a beltweigher : submitted by Ramsey Process Controls.
Great Britain.Department of Trade and Industry.
National Weights and Measures Laboratory.
Ramsey Process Controls (Firm)
Teddington : National Weights and Measures Laboratory,
1990.
Weighing-machines