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 a pattern of a liquid flowmeter ... submitted by HTEC Ltd.
Great Britain.Department of Trade and Industry.
HTEC Ltd.
National Weights and Measures Laboratory.
Teddington : National Weights and Measures Laboratory,
2000.
Reference no. 9462.
(1940/46)