Certificate pursuant to Section 12 of the Weights and Measures Act 1985, certification no 2317 ... the Secretary of State for Trade and Industry hereby certifies as suitable for use for trade a pattern of an automatic catchweight weighing machine : Submitted by: DEM Machines Ltd.
Great Britain.Department of Trade and Industry.
National Weights and Measures Laboratory.
DEM Machines Ltd.
Teddington : National Weights and Measures Laboratory,
1994.
Reference no. STD 7410.