Certificate pursuant to section 12 of the Weights and Measures Act 1985 certification no 1893/2 ... the Secretary of State for Trade and Industry hereby certifies as suitable for use for trade the following  pattern of a spirit measuring instrument, as described in the descriptive annex to this certificate, and having the following characteristics ... : submitted by Gaskell and Chambers Ltd.
Great Britain.Department of Trade and Industry.
National Weights and Measures Laboratory.
Gaskell and Chambers Ltd.
London : National Weights and Measures Laboratory,
1999.
Reference no STD 4881.
(1893/2)