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 During the 1860s, the flintlock pistols that had been purchased in 1829 were decommissioned from service, being superseded by 622 Beaumont–Adams revolvers firing the .450 cartridge which were loaned from the army stores at the Tower of London following the Clerkenwell bombing.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
Police cadets in the United Kingdom further. The founder and the largest cadet scheme are operated by the Metropolitan Police Service, with over 5,000 cadets as of March 2016. It was founded in 1988 by Commissioner Peter Imbert. By 2010, every London borough had a VPC unit, along with a central support team within the Territorial Policing Command Unit. Metropolitan Police Cadets are involved in continuing further education, DofE, learning about the police service, carrying out attachments to divisions and specialist departments, learning first aid, and engaging in community work projects with the disabled and disadvantaged. London Police cadets annually compete in a police scenario completion,