The magistrate to whom any weight or measure is delivered, pursuant to the last section,¹ shall, upon the examination of the accused, or if the examination is delayed or prevented, without awaiting such examination, cause the same to be tested by comparison with standards conformable to law; and if he finds it to be false, he shall cause it to be destroyed, or to be delivered to the district attorney of the county in which the accused is liable to indictment or trial, as the interests of justice in his judgment require.