The object is a 19th-century black powder flask by G. & J. W. Hawksley, Sheffield, used for storing gunpowder for muzzle-loading firearms before pre-made cartridges. Made of copper and brass with ornate lattice work. Features a spring-action mechanism for dispensing powder. Triple measured dispenser. Used for sporting shooting and some were military issue. Black powder is measured by volume, not weight. Some flasks are designed for specific types of guns.
