Ceremonial maces in the United Kingdom carried by the Yeoman Usher of the Black Rod and placed behind the Lord Speaker on the Woolsack before the House sits. All members are required to bow their heads to the mace upon entering the chamber. It is absent when the monarch delivers his or her speech from the throne at State Openings of Parliament. The other mace accompanies the Lord Chancellor on official duties outside the House of Lords. Mace A was made in the reign of Charles II , is long and weighs . Mace B was made in the reign of William III and Mary II
Judicial functions of the House of Lords seventeenth century made repeated efforts to ameliorate it. The last trial of a peer in the House of Lords was in 1935, when Lord de Clifford was tried for motor manslaughter. The Criminal Justice Act 1948 abolished the trials of peers by their equals; now, peers are tried by juries of commoners. The House of Lords also has the power to try impeachments. The House of Commons decides on "Articles of Impeachment," which are then brought before the House of Lords. Originally, the House of Lords held that it could try peers only upon impeachment. In 1681, however, the Commons