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 person weighing machine with integral ticket printer described herein ... submitted by : Crown Scale Ltd.
Great Britain.Department of Trade and Industry.
National Weights and Measures Laboratory.
Crown Scale Limited.
Teddington : National Weights and Measures Laboratory,
1989.
Weights and measures
Weighing-machines