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 a non-automatic self indicating weighing machine ... : submitted by Spectra Physics Ltd.
Great Britain.Department of Trade and Industry.
National Weights and Measures Laboratory.
Spectra Physics Ltd.
Teddington : National Weights and Measures Laboratory,
1992.
"Reference no: STD 6638"