Percussion revolver owned by Admiral Sir Lewis Beaumont 1847-1922. The stock has a polished wood grip with a steel butt plate. There is a solid steel frame and silver plated trigger guard. The lock is a single action, six-chambered cylinder with roll on die engraving. The barrel is octgonal, with underlever rammer, rifled with seven grooves. A brass pin forms the foresight. The rear sight is a 'V' cut into the hammer. The calibre is 0.36in. The revolver is inscribed on the cylinder with an engraving depicting the battle between ships of the Texas and Mexican Navy dated 16 March 1843. Beneath the panel containing Colt's Patent No is engraved 'W L Ormsby New York'. The barrel is inscribed 'ADDRESS COL COLT LONDON'. The serial number '23774' is stamped on the trigger guard, frame, cylinder and loading lever. The proof mark of the London Gunmaker's Company is stamped on the cylinder and barrel. The revolver is in a mahogany case lined with blue velvet and contains a powder flask stamped 'Colts Navy Flask', twin cavity steel mould stamped 'Colt's Patent', 'L'-shaped turnscrew, nipple key, cleaning rod, cap tin, spare spring, quantity of round and conical balls. Samuel Colt patented his first single action revolver in 1835. Thousands of the Colt Navy Model were produced for the British forces in the Crimea War. Colt's London Armoury was in existence from 1852-1857. This example was owned by Admiral Sir Lewis Beaumont and taken by him when, as a Lieutenant, he served on the Arctic Expedition of 1875-1876 on the surveying vessel HMS 'DISCOVERY'.