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 self-indicating counter weighing machine connected to an electronic point of sale terminal : submitted by Nixdorf Computers Ltd.
Great Britain.Department of Trade and Industry.
National Weights and Measures Laboratory.
Nixdorf Computers Limited.
Teddington : National Weights and Measures Laboratory,
1990.
Weighing-machines