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 pattern of a self indicating counter weighing machine connected to an electronic point of sale terminal, submitted by : IBM United Kingdom Ltd.
Great Britain.Department of Trade and Industry.
National Weights and Measures Laboratory.
IBM United Kingdom.
Teddington : National Weights and Measures Laboratory,
1989.
Weights and measures
Weighing-machines