Coinage Act, 1870

Custody, &c. of standard trial plates.

16. The standard trial plates of gold and silver used for determining the justness of the gold and silver coins of the realm issued from the Mint, which now exist or may hereafter be made, and all books, documents, and things used in connexion therewith or in relation thereto, shall be in the custody of the Board of Trade, and shall be kept in such places and in such manner as the Board of Trade may from time to time direct; and the performance of all duties in relation to such trial plates shall be part of the business of the Standard weights and measures Department of the Board of Trade.

The Board of Trade shall from time to time, when necessary, cause new standard trial plates to be made and duly verified, of such standard fineness as may be in conformity with the provisions of this Act.