History of the Metropolitan Police Service by the end of the 19th century. During the 1860s, the flintlock pistols that had been purchased in 1829 were decommissioned from service, being superseded by 622 Beaumont–Adams revolvers firing the .450 cartridge which were loaned from the army stores at the Tower of London following the Clerkenwell bombing. In 1883, a ballot was carried out to gather information on officers' views on whether they wished to be armed, and 4,430 out of 6,325 officers serving on outer divisions requested to be issued with revolvers. The now obsolete Adams revolver was returned to stores for emergencies, and the Bulldog 'Metropolitan
Metropolitan Police Department of the District of Columbia the U.S. state of Maryland to patrol Washington County. After the formation of the Metropolitan Police Board, which was to govern the new police department, Lincoln sent a member of the board to study the New York City Police Department and its structure, itself modeled on the London Metropolitan Police Service. The Metropolitan Police Board unanimously chose one of its members, William Benning Webb who was commissioned as a Major in the army, to serve as the first Chief of Police, the formal title being "Major and Superintendent". The Police Board initially divided the District into 10 precincts. The First