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LicenseSeven Gunmetal Troy Counterpoises, by Harris
Science Museum Group
© The Board of Trustees of the Science Museum
Seven Gunmetal Troy Counterpoises, by Harris, cup weights 12oz to 1/2oz., 1758, for Lord Carysfort's Committee on Weights and Measures. i.e. 12,6,3,2,1,1/2ozs cup and 1/2 oz solid. Note:- the two 1/2oz weights are each marked 10(dwt?)
