Royal Mint other manufacturers. The Trial of the Pyx is the procedure in the United Kingdom for ensuring that newly-minted coins conform to required standards. The trials have been held since the twelfth century, normally once per calendar year, and continue to the present day. The form of the ceremony has been essentially the same since 1282. They are trials in the full judicial sense, presided over by a judge with an expert jury of assayers. Since 1871, the trials have taken place at the Hall of the Worshipful Company of Goldsmiths, having previously taken place at the Palace of Westminster. Given
Civil procedure in the United States courts were allowed to continue to develop the federal common law of evidence (most of which was replaced a century later by the Federal Rules of Evidence). However, allowing federal courts to conform to "current" state procedure still did not solve the federal courts' problems with actions at law, because by the turn of the 20th century, the U.S. was a mix of common law and code procedure states. Even worse, many code procedure states had merged law and equity procedure into a unified civil procedure system, which directly clashed with the federal courts' preservation of the traditional English division