Certificate pursuant to section 12 of the Weights and Measures Act 1985 certification no 2538 ... the Secretary of State for Trade and Industry hereby certifies as suitable for use for trade a pattern of a automatic weighing machine of the gravimetric filling type, as described in the descriptive annex to this certificate, and having the following characteristics ... : submitted by BTH B.V.
Great Britain.Department of Trade and Industry.
National Weights and Measures Laboratory.
Teddington : National Weights and Measures Laboratory,
1999.
Reference no. STD 9632.